A-B121R8070072G1-AI Engine, Complete

One New Aftermarket Replacement Complete Engine Fits Briggs and Stratton (B&S) Intek Series Lawn and Garden Equipment

This is a complete vertical-shaft replacement engine for riding mowers, lawn tractors, salt spreaders, pressure washers, and other outdoor power equipment originally equipped with a Fits Briggs and Stratton (B&S) Intek Series single-cylinder engine. The Intek Series 21R807-0072-G1 delivers 11.5 gross HP from a 344cc single-cylinder OHV design and is a direct replacement for the earlier 21R707-0011-G1 and related models. It features a Dura-Bore cast iron cylinder sleeve, Dual-Clean air filtration, and a 12-volt electric gear-drive starter with recoil backup.

Specifications

• Engine Series: Fits Briggs and Stratton Intek Series
• Displacement: 344cc
• Power Rating: 11.5 Gross HP
• Valve Type: Overhead Valve (OHV)
• Cylinder Bore: Cast Iron (Dura-Bore sleeved)
• Cylinders: 1
• Crankshaft: Vertical, 1" x 3-5/32" straight shaft
• Keyway: 1/4"
• Tapped: 7/16"-20
• Starter: 12-Volt Electric Gear Drive with Recoil Backup
• Alternator: 9 Amp
• Fuel Pump: Included
• Muffler: Included
• Crankshaft Rotation (from PTO side): Counter-clockwise
• Lubrication: Splash
• Ignition: Electronic (Magnetron)
• Max RPM: 3300
• Oil Capacity: 48 oz (1.4 qt / 1.3 L)
• Fuel Tank: Not included
• Dimensions: 17.5" L x 16.25" W x 14" H

Compatible Applications

Fits Briggs and Stratton Intek Series: Riding mowers, lawn tractors, salt spreaders, log splitters, pressure washers, and small utility vehicles originally equipped with Intek or compatible single-cylinder vertical-shaft engines in the 281707, 283707, 286707, 28M707, and 21R707 series. Popular repower engine for Snapper RER riding mowers.

Replaces Part Number(s):

21R807-0072-G1, 21R707-0011-G1, 21R702-0089-G1, 219907-3029-G5, 215802-3015-G5, 21B807-2453-B2, 21B707-0453-E1, 286707-1190-E1, 286707-1029-E2, 286707-1029-E1, 286707-0634-A1, 286707-0157-01, 286707-0150-01, 286707-0149-02, 286707-0149-01, 286707-0148-01, 286707-0146-01, 286707-0143-01, 286707-0138-02, 286707-0138-01, 286707-0136-01, 286707-0134-01, 286707-0132-01, 286707-0127-01, 286707-0119-01, 286707-0117-01, 286707-0112-01, 28M707-1029-E1, 283707-4030-02, 283707-4030-01, 283707-4029-01, 283707-1137-E1, 283707-1136-E1, 283707-1068-E1, 283707-0166-01, 283707-0159-01, 283707-0136-01, 281707-4029-02, 281707-4029-01, 281707-4004-01, 281707-0430-01, 281707-0411-01, 281707-0232-01, 281707-0229-01, 281707-0225-01, 281707-0213-01, 281707-0212-01, 281707-0208-01, 281707-0207-01, 281707-0206-01, 281707-0205-02, 281707-0205-01, 281707-0202-01, 281707-0197-01, 281707-0190-01, 281707-0187-01, 281707-0175-01, 281707-0173-01, 281707-0171-01, 281707-0168-02, 281707-0168-01, 281707-0163-02, 281707-0163-01, 281707-0162-01, 281707-0161-01, 281707-0153-01, 281707-0137-01

Note: Engine replacement fitment depends on crankshaft size, starter type and position, fuel tank location, muffler position, and mounting configuration. Verify all dimensions against your original engine before ordering.

New aftermarket replacement part - not remanufactured, not used.