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Briggs & Stratton Quantum Engine Spare Parts

Briggs&Stratton uk | Briggs&Stratton Vertical 2-7 HP Engine Parts  |  Briggs & Stratton Quantum Engine Spare Parts

Briggs and Stratton Quantum Vertical Crankshaft Engine spare parts 3.5HP - 6HP

Click Engine Image for more Information about this Engine Group
(As fitted to rotary lawnmowers etc.)

Briggs and Stratton Quantum engines are side valve, have paper air filters, a plastic fuel tank and their engine model numbers begins with 12.

There is also an earlier version not often seen whose model number begins 1007

If the parts you need are not listed, please use the link button at the bottom of this page.


    Items with associated special tools.
Click Red Spanner link on the left of the page for tools page

Briggs and Stratton Single Cylinder Repair Manual 270962


Quantity:

Briggs and Stratton Single Cylinder Repair Manual 270962


Price: 18.99

Approx shipping weight 780g

Repair manual for all single cylinder side valve engines built after 1981 including Quantum engines
Covers all you need to know!

Spark Plug 992300


Quantity:

Spark Plug 992300


Price: 4.39 (Including VAT at 20%)

Approx shipping weight 50g

Champion RJ19LM spark plug for all side valve engines

992356 Spark Plug Wrench


Quantity:

992356 Spark Plug Wrench


Price: 4.60 (Including VAT at 20%)

Approx shipping weight 120g

19mm/21mm Spark plug box wrench for 992041 spark plug

Fuel Fit Additive 992380


Quantity:

Fuel Fit Additive 992380


Price: 4.19 (Including VAT at 20%)

Approx shipping weight 130g

Briggs and Stratton Petrol additive for all 4 stroke and 2 stroke petrol engines
Prevents fuel deterioration during periods of non-use and generally aids engine efficiency
Essential for correct winter storage of lawnmowers etc.

100 ml, treats 30 litres of fuel

Throttle control 992015


Quantity:

Throttle control 992015


Price: 6.89 (Including VAT at 20%)

Approx shipping weight 105g

Throttle control and cable to fit many applications
1.35m long. End can be bent to suit
Negative action(Control pushed to fast, shortens inner wire)

Throttle control 992016


Quantity:

Throttle control 992016


Price: 6.89 (Including VAT at 20%)

Approx shipping weight 105g

Throttle control and cable to fit many applications
1.35m long. End can be bent to suit
Positive action(Control pushed to fast, lengthens inner wire)

690798/691044 Cable Clamp & Screw


Quantity:

690798/691044 Cable Clamp & Screw


Price: 5.58 (Including VAT at 20%)

Approx shipping weight 10g

Clamp and screw, throttle cable

992233 Briggs and Stratton Quantum Service kit


Quantity:

992233 Briggs and Stratton Quantum Service kit


Price: 15.36 (Including VAT at 20%)

Approx shipping weight 760g

Spark Plug Options
Side valve engine   
Overhead valve engine   

Briggs and Stratton genuine service tune up kit for Quantum engines whose (model number starts with 12)
Includes 491588S Air Filter, foam pre-filter, 0.6l Oil, 992300 Spark Plug
Ensure the side valve spark plug option above is selected

491588S Genuine Briggs Spares Air Filter


Quantity:

491588S Genuine Briggs Spares Air Filter


Price: 5.28 (Including VAT at 20%)

Approx shipping weight 40g

Paper air filter.
Approx 13cm x 11.5cm

493537S Pre-Filter


Quantity:

493537S Pre-Filter


Price: 3.60 (Including VAT at 20%)

Approx shipping weight 10g

Pre-filter for 491588 quantum filter
(Can be retro fitted to prelong filter life)

399877S Air Filter  Mk1


Quantity:

399877S Air Filter Mk1


Price: 6.72 (Including VAT at 20%)

Approx shipping weight 30g

Paper air filter for for Quantum Mk1 engine (model number begins with 1007??)
Approx 12cm x 12cm

692296 Dipstick Seal


Quantity:

692296 Dipstick Seal


Price: 2.58 (Including VAT at 20%)

Approx shipping weight 5g

Oil dipstick "O" ring seal for Quantum engines whose model number begins 12

799585 Fuel Cap


Quantity:

799585 Fuel Cap


Price: 9.12 (Including VAT at 20%)

Approx shipping weight 40g

Fuel cap. Black. Approx 6cm overall diameter with 30cm male bayonet fitting and retaining tag

397974S Fuel Cap


397974S Fuel Cap


Approx shipping weight

Fuel cap for Quantum engines.
Now replaced with 692046 below, please order that

692046 Fuel Cap


Quantity:

692046 Fuel Cap


Price: 4.44 (Including VAT at 20%)

Approx shipping weight 20g

Fuel cap for Quantum and Quantum Mk1 engines

699374 Fuel Tank


Quantity:

699374 Fuel Tank


Price: 24.72 (Including VAT at 20%)

Approx shipping weight 950g

Fuel tank. Black plastic half wrap
Fits all half wrap tank Quantum engines whose model number starts with 12
Includes cap

699392 (was 497343) Fuel Tank


Quantity:

699392 (was 497343) Fuel Tank


Price: 54.24 (Including VAT at 20%)

Approx shipping weight 1kg

699392 Fuel tank. Black plastic full wrap
Fits all full wrap tank Quantum engines whose model number starts with 12
Includes cap
Replaces older tanks which incorporated a tap

298090S Fuel Filter


Quantity:

298090S Fuel Filter


Price: 3.66 (Including VAT at 20%)

Approx shipping weight 10g

Red in line fuel filter for gravity fed fuel systems

395051R Briggs and Stratton Fuel Tube


Quantity:

395051R Briggs and Stratton Fuel Tube


Price: 2.99 (Including VAT at 20%)

Approx shipping weight 20g per 20cm

Fuel tube for most applications

Sold in units of 20cm. Multiple purchases will be supplied in one total length
Use with 710075 clamps.(sold seperately)

710075 Fuel Tube clamp


Quantity:

710075 Fuel Tube clamp


Price: 2.58 (Including VAT at 20%)

Approx shipping weight 10g

Plated fuel tube hose clamp
Fits 11mm O/D fuel tube 395051

691038 Fuel Tube Clamp - Black


Quantity:

691038 Fuel Tube Clamp - Black


Price: 2.58 (Including VAT at 20%)

Approx shipping weight 10g

Black fuel tube clamp. Fits 12mm O/D fuel hose
(Slightly smaller than 95162)

791850 Fuel Tube Clamp - Green


Quantity:

791850 Fuel Tube Clamp - Green


Price: 2.58 (Including VAT at 20%)

Approx shipping weight 10g

Green fuel tube clamp. Fits fuel tube over 12mm O/D
(Slightly larger than 691038)

698183 Fuel Tap


Quantity:

698183 Fuel Tap


Price: 5.40 (Including VAT at 20%)

Approx shipping weight 15g

In line fuel shut off valve supplied with 2 x 95162 tube clamp

490656 Fuel Tap Quantum Mk1


Quantity:

490656 Fuel Tap Quantum Mk1


Price: 7.02 (Including VAT at 20%)

Approx shipping weight 60g

Fuel tap assembly for Quantum Mk1 engine (Model number begins 1007??
NOTE- For all other Quantum engines with a tap mounted in the fuel tank, the tap is no longer available and leaks must be repaired by replacing the whole tank with 699392 fuel tank complete.

795629 Air Filter Gasket (was 272653S)


Quantity:

795629 Air Filter Gasket (was 272653S)


Price: 2.46 (Including VAT at 20%)

Approx shipping weight 5g

Air filter gasket for Quantum engines with plastic air filter base

795259 Base


Quantity:

795259 Base


Price: 20.88 (Including VAT at 20%)

Approx shipping weight 230g

Base, air cleaner
Includes primer, gasket, grommet and bracket
Also primer blank for engines with choke start

691292 Governor Spring


Quantity:

691292 Governor Spring


Price: 4.68 (Including VAT at 20%)

Approx shipping weight 5g

Governor spring for Quantum engines whos model number
begins with 12 and have a primer for cold stating or ready start

691835 Governor Spring


Quantity:

691835 Governor Spring


Price: 5.10 (Including VAT at 20%)

Approx shipping weight 5g

Governor spring for Quantum engines whos model number
begins with 12 and have a throttle cable operated choke for cold stating

Briggs and Stratton Engine Speed Tachometer 19200E


Quantity:

Briggs and Stratton Engine Speed Tachometer 19200E


Price: 17.57 (Including VAT at 20%)

Approx shipping weight 40g

RPM tachometer to accurately set engine speed
Easy to use and compact. Complete with instructions and wallet
Suits any engine

690354 Choke Return Spring


Quantity:

690354 Choke Return Spring


Price: 3.00 (Including VAT at 20%)

Approx shipping weight 5g

Choke return spring for Intek engine

799868 Carburettor


Quantity:

799868 Carburettor


Price: 24.90 (Including VAT at 20%)

Approx shipping weight 180g

Carburettor. For Quantum engines which have a primer for cold starting
Please note - This carburettor has a fixed idle jet but also replaces the no longer available adjustabe idle jet primer carburettors. Includes intake gasket and manifold "O" Ring seal

498260 Carb overhaul kit


Quantity:

498260 Carb overhaul kit


Price: 7.98 (Including VAT at 20%)

Approx shipping weight 60g

Carb overhaul kit for all Quantum engines
Includes gaskets, seals, inlet needle and seat, idle mixture screw, welch plugs, float pin, shaft seals.
Note- some very early Quantum Mk1 engines may have a different idle mixture screw not included.

398188 Needle


Quantity:

398188 Needle


Price: 3.72 (Including VAT at 20%)

Approx shipping weight 5g

Inlet valve needle & seat. For all Quantum engines.

270344S Inlet Seal


Quantity:

270344S Inlet Seal


Price: 4.02 (Including VAT at 20%)

Approx shipping weight 5g

"O" Ring inlet seal for all Quantum engines


694395 Primer Bulb


Quantity:

694395 Primer Bulb


Price: 3.12 (Including VAT at 20%)

Approx shipping weight 10g

Start primer for Quantum and Intek engines with prime starting
(Also replaces older black one)
!!<>!!Associated special tools

693981 Carb Bowl Gasket


Quantity:

693981 Carb Bowl Gasket


Price: 4.38 (Including VAT at 20%)

Approx shipping weight 5g

Carburetor bowl gasket for all Quantum engines
Approx 48mm outside diameter

280973 Washer


Quantity:

280973 Washer


Price: 3.12 (Including VAT at 20%)

Approx shipping weight 5g

Fibre carburetor bowl lower seal washer for many engines
Approx 10mm inside diameter

271716 Washer


Quantity:

271716 Washer


Price: 2.34 (Including VAT at 20%)

Approx shipping weight 5g

Fibre carburetor bowl lower seal washer for many engines
Approx 9mm inside diameter

794305 Inlet Manifold


Quantity:

794305 Inlet Manifold


Price: 11.40 (Including VAT at 20%)

Approx shipping weight 45g

794305 (was 497465) manifold for Quantum engines whos model number begins 12. Includes gasket

Inlet Seal 270344S


Quantity:

Inlet Seal 270344S


Price: 4.02 (Including VAT at 20%)

Approx shipping weight 5g

"O" Ring inlet seal for Briggs and Stratton Sprint, Classic & Quatro carburetors


Cover bolt 691108


Quantity:

Cover bolt 691108


Price: 2.76 (Including VAT at 20%)

Approx shipping weight 10g

1/4 inch diameter bolt for engine cowling, carb bracket etc.
(approx 14mm long)

497680 Rewind Assembly


Quantity:

497680 Rewind Assembly


Price: 37.50 (Including VAT at 20%)

Approx shipping weight 570g

Complete rewind assembly, plastic pawl type
Includes pulley, spring, pawls and rope pre-assembled and ready to bolt on
Includes screws and instructions for replacing riveted unit

Please note - If your starter has metal pawls, this is NOT its replacement. You will need to use the "send enquiry" form on the left

498144 Recoil Pulley & Spring


Quantity:

498144 Recoil Pulley & Spring


Price: 13.50 (Including VAT at 20%)

Approx shipping weight 190g

Recoil pulley & spring for Quantum engines that have a screw retainer and plastic pawls & plate
Approx 13.5cm diameter

Starter Pawls & Plate ST1


Quantity:

Starter Pawls & Plate ST1


Price: 11.64 (Including VAT at 20%)

Approx shipping weight 20g

Starter pawls & retaining plate for Sprint, Classic and Quattro engines with later (498144) type starter pulley
Parts Included - 2 x 281505S pawl, 692299 plate & 691855 friction spring


691696 Screw


Quantity:

691696 Screw


Price: 3.48 (Including VAT at 20%)

Approx shipping weight 10g

Screw, pawl plate retaining

493824 Recoil Pulley & Spring


Quantity:

493824 Recoil Pulley & Spring


Price: 26.94 (Including VAT at 20%)

Approx shipping weight 190g

Recoil pulley & spring for older type Quantum(series 12) engines with metal pawls
Approx 13.5cm diameter

280399S Rope


Quantity:

280399S Rope


Price: 4.86 (Including VAT at 20%)

Approx shipping weight 35g

3.5mm diameter recoil rope for quantum engines

393152 Rubber Grip


Quantity:

393152 Rubber Grip


Price: 4.80 (Including VAT at 20%)

Approx shipping weight 40g

Rubber recoil grip with plastic insert suits engines where grip returns to the engine

281434S Grip


Quantity:

281434S Grip


Price: 2.52 (Including VAT at 20%)

Approx shipping weight 20g

Starter grip for machines with extended rope and grip retained up the handles

799716 (was 795426) Starter Grip


Quantity:

799716 (was 795426) Starter Grip


Price: 3.72 (Including VAT at 20%)

Approx shipping weight 40g

Easy grip starter handle
Allows full hand engagement for more solid handhold

498528 Head Gasket Set


Quantity:

498528 Head Gasket Set


Price: 10.74 (Including VAT at 20%)

Approx shipping weight 60g

Cylinder head gasket kit for Quantum engines whos model begins with 12. For all valve and decoke work
Includes both early and later head gaskets

!!<>!!Associated special tools

496117 Gasket Set


Quantity:

496117 Gasket Set


Price: 12.00 (Including VAT at 20%)

Approx shipping weight 120g

Engine gasket set for early Quantum engines whos model begins with 12
Includes seals etc.
For later models also purchase 692249 shown below


692249 Head Gasket


Quantity:

692249 Head Gasket


Price: 5.40 (Including VAT at 20%)

Approx shipping weight 40g

Head gasket for later Quantum series engines
Note that the area below the valves is filled to a point compared with the older gasket shown in 496117

271917 Head Gasket Quantum Mk1


Quantity:

271917 Head Gasket Quantum Mk1


Price: 5.70 (Including VAT at 20%)

Approx shipping weight 40g

Cylinder head gasket for Quantum Mk1 engine
(Model number begins 1007??)

699833 Breather Gasket


Quantity:

699833 Breather Gasket


Price: 2.22 (Including VAT at 20%)

Approx shipping weight 5g

Breather/valve chest gasket for all Quantums including Mk1

692232 Gasket, Crankcase


Quantity:

692232 Gasket, Crankcase


Price: 7.44 (Including VAT at 20%)

Approx shipping weight 30g

692232 Crankcase gasket for Quantum engine whos model number begins with 12

299819S Oil Seal


Quantity:

299819S Oil Seal


Price: 2.76 (Including VAT at 20%)

Approx shipping weight 15g

Upper oil seal (flywheel side) for all Quantum engines.
Approx 32mm outside diameter x 20mm inside diameter

399781S Oil seal


Quantity:

399781S Oil seal


Price: 5.64 (Including VAT at 20%)

Approx shipping weight 30g

399781S Lower oil seal, (sump side) for all Quantum engines

691952 Oil Seal


Quantity:

691952 Oil Seal


Price: 6.84 (Including VAT at 20%)

Approx shipping weight 10g

Oil seal. Side APTO Shaft
Replaces old number 391484
For Quantum engines which have a pto drive shaft emerging from the side of the sump

691623 Pin


Quantity:

691623 Pin


Price: 2.64 (Including VAT at 20%)

Approx shipping weight 10g

Pin. Retains brass gear onto side pto shaft

692038 (was 496106S) Muffler


Quantity:

692038 (was 496106S) Muffler


Price: 14.22 (Including VAT at 20%)

Approx shipping weight 600g

Muffler to fit all Quantum engines. Includes gasket, bolts and lock tab

393760 Deflector


Quantity:

393760 Deflector


Price: 5.52 (Including VAT at 20%)

Approx shipping weight 30g

Muffler deflector. Includes screws

590486 (was 499034) Exhaust Guard


Quantity:

590486 (was 499034) Exhaust Guard


Price: 17.76 (Including VAT at 20%)

Approx shipping weight 316g

Exhaust muffler guard for most quantum series 12 engines
Supplied complete with screws

Ignition Spark Tester 19368


Quantity:

Ignition Spark Tester 19368


Price: 16.37 (Including VAT at 20%)

Approx shipping weight 90g

Ignition spark tester. Tests the ignition system for efficiency
For all engines

Terminal & Elbow 66538S/493880S


Quantity:

Terminal & Elbow 66538S/493880S


Price: 4.68 (Including VAT at 20%)

Approx shipping weight 10g

Spark plug terminal (493880S) and rubber elbow (66538S), to fit all side valve HT leads

793351 Shield


Quantity:

793351 Shield


Price: 6.72 (Including VAT at 20%)

Approx shipping weight 40g

Metal shielded ignition terminal

796964 Ignition Armature (was 695711)


Quantity:

796964 Ignition Armature (was 695711)


Price: 45.54 (Including VAT at 20%)

Approx shipping weight 350g

Electronic ignition armature magneto coil for Quantum engines whose model number begins with 12
(fitted in lieu of 802574)
Please note that there has been a design change to this unit. The new one may not resemble your original exactly but is correct and will fit the engine

691959 Ignition Key Set


Quantity:

691959 Ignition Key Set


Price: 6.72 (Including VAT at 20%)

Approx shipping weight 10g

Indak Ignition key set. Contains two keys
Flat profile. (see pop up link below for shape) Fits most electric start machines
Click here for profile shape pop-up

691991 Electric Start Alternator


Quantity:

691991 Electric Start Alternator


Price: 55.08 (Including VAT at 20%)

Approx shipping weight 190g

0.5Amp D.C. Charging alternator used on most electric start Quantum and Intek engines

499421 Interlock Switch


Quantity:

499421 Interlock Switch


Price: 16.26 (Including VAT at 20%)

Approx shipping weight 20g

Interlock micro switch for electric start engines with OPC control. (dead man's handle)

19069 Puller - Small


Quantity:

19069 Puller - Small


Price: 10.45 (Including VAT at 20%)

Approx shipping weight 140g

Flywheel puller for small engines
Distance between outer hole centres approx 40mm

Briggs & Stratton Spare Parts Flywheel key 222698S


Quantity:

Briggs & Stratton Spare Parts Flywheel key 222698S


Price: 2.70 (Including VAT at 20%)

Approx shipping weight 5g

Flywheel key to fit most engines
Approx. 14mm long x 3mm x 4mm
!!<>!!Associated special tools

Crankshaft Woodruff key 692193


Quantity:

Crankshaft Woodruff key 692193


Price: 1.80 (Including VAT at 20%)

Approx shipping weight 5g

Half moon woodruff key to fit crankshaft extension of most small Briggs and Stratton engines applications
No 505 - 5/32" x 5/8" (approx 4mm thick x 15mm long)

692191 3/16


Quantity:

692191 3/16" Key


Price: 4.02 (Including VAT at 20%)

Approx shipping weight 30g

Key, crankshaft pulley 3/16" (Approx 4.75mm) square section x 37mm long

691483 1/4


Quantity:

691483 1/4" Key


Price: 4.74 (Including VAT at 20%)

Approx shipping weight 20g

1/4" Square Pulley key. Approx 39mm long

691826 Lockout Link


Quantity:

691826 Lockout Link


Price: 3.00 (Including VAT at 20%)

Approx shipping weight 10g

Engine brake lockout link. Used to disable the brake where an engine is fitted to an application which does not use a mechanical emergency stop lever. NOT TO BE FITTED WHERE AN ENGINESTOP LEVER IS PRESENT.


Briggs and Stratton Quantum XM55 Engine 62mm


Quantity:

Briggs and Stratton Quantum XM55 Engine 62mm


Price: 236.40 (Including VAT at 20%)

Approx shipping weight 16kg

Quantum XM55 replacement vertical crankshaft engine complete.

High quality engine fits rotary lawnmower and other vertical crankshaft applications.
Replacement for most engines up to 6HP
Fitted with OPC (deadmans handle) stop control but also includes throttle stop and instructions to disable the brake if required for use with non OPC machines
Prime and pull starting
Crankshaft extension 7/8"(22.2mm) diameter x 62mm long from mountings(extends approx 52mm from lower engine seal)
124T021952B1YY7001

Click for more information about this engine


16kg

Briggs and Stratton Quantum XM55 Engine 80mm


Quantity:

Briggs and Stratton Quantum XM55 Engine 80mm


Price: 236.40 (Including VAT at 20%)

Approx shipping weight 16kg

Quantum XM55 replacement vertical crankshaft engine complete.

High quality engine fits rotary lawnmower and other vertical crankshaft applications.
Replacement for most engines up to 6HP.
Fitted with OPC (deadmans handle) stop control but also includes throttle stop and instructions to disable the brake if required for use with non OPC machines.
Prime and pull starting.
Crankshaft extension 7/8"(22.2mm) diameter x 80mm long from mountings(extends approx 71mm from lower engine seal)
124T021950B1YY7001

Click for more information about this engine


16kg

Unlisted parts page

Briggs and Stratton Quantum (2) Engines

Briggs & stratton Quantum (2) lawn mower engine
  • Briggs and Stratton Quantum (2) vertical crankshaft ( rotary lawnmower etc) engines typically range from 3.5HP to 6HP and are identified as 35, 375, 40, 50, 60.
    There are also various ranges within the Briggs and Stratton Quantum engine group such as:
    Quantum Power, XTE, XM, I/C


  • Their Briggs and Stratton Engine Model numbers start with 12.


  • They have a paper type air filter on the side of the engine carburetor within a plastic cover.


  • There is either a cable controlled choke, or a rubber push primer on the front of the carburetor for cold engine starting


  • The carburetor is a float type mounted to the side of the engine.


  • The fuel tank is plastic and wraps around the back of the engine.


  • The oil dipstick is located at the right rear corner of the engine viewed from behind the engine and is a bayonet fitting.
Briggs & stratton Quantum (2) lawnmower engine

Briggs and Stratton Intek Engines

Briggs & stratton Intek lawnmower engine
  • Briggs and Stratton Intek vertical crankshaft ( rotary lawnmower etc) engines typically range from 5HP to 6.5HP and are identified as 50, 60, 65.

  • The Briggs and Stratton Intek is the Overhead Valve version of the Quantum (2) engine and are often fitted to larger, higher spec. rotary lawn mower or small ride on lawn mower applications.They have the typical metal overhead valve cover. Many of the spare parts are similar to those of the Briggs and Straton Quantum engine.


  • Their Brigs & Stratton Engine Model numbers start with 12.


  • They have a paper type air filter on the top of the carburetor within a plastic cover.


  • There is either a cable controlled choke, or a rubber push primer on the front of the carburetor for cold engine starting


  • The carburetor is a float type mounted to the side of the engine.


  • The fuel tank is plastic and wraps around the back of the engine.


  • The oil dipstick is located at the right rear corner of the engine viewed from behind the engine and is a bayonet fitting.
Back to Briggs and Stratton engine spare parts shop
Briggs & stratton Intek lawn mower engine


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