Briggs & Stratton 915-032A transaxle transmission Parts

To find specs for your Briggs model 915-032A engine and drivetrain (transaxle transmission), we use the identification numbers stamped on the engine or transaxle and then match those numbers to the correct parts breakdown. Once you confirm the exact ID, you can order the drivetrain parts shown for this model or search by the full ID on Sears PartsDirect.

On Briggs engines, the key identifiers are typically Model, Type, and Code. For a riding mower transaxle or drivetrain, you may also find a transaxle model tag on the transmission housing.

Check these common locations:

• Blower housing or recoil starter shroud (often near the top of the engine)
• Valve cover area
• Muffler heat shield area
• Engine block stamping near the spark plug
• Transaxle case label or stamping on the transmission housing

Record the numbers exactly as shown, including dashes and suffix letters.

Once you have the ID:

• Match the ID to the correct parts list and diagram for your drivetrain
• Use the diagram to identify wear items and internal components by name
• Confirm the exact part ID before ordering (especially for gears, seals, and shafts)

If you are chasing a drivetrain symptom (leak, slipping, no drive), these model-matched parts are commonly involved:

• Seal ring 788061 (wheel axle oil seal area)
• Transaxle cover 772153A (cover sealing surface and internal access)
• Input shaft 776299 (power input from belt/pulley system)
• Lawn & garden equipment transmission grease 788067D (lubrication for internal gears)

Briggs engine and transaxle specs can change by Type/Code even when the mower looks identical. Using the exact ID prevents ordering the wrong gear, seal, or shaft and helps you diagnose drivetrain problems faster.

Last updated: February 2026

For the Briggs 915-032A engine and drivetrain setup, the engine model number is stamped directly on the engine; on most riding mower engines it’s stamped into metal on the valve cover or shown on an aluminum tag. Once you have that number, you can match the correct drivetrain and transaxle parts for your mower.

Check these common locations first (wipe off dirt and oil so the stamp is readable):

• Valve cover area: model/type/code is often stamped into the metal
• Aluminum tag on the engine: usually riveted or attached near the valve cover
• Blower housing or shroud area: tag may be nearby on some builds
• Frame rail near the engine: sometimes the tag is easier to see from the side

For parts matching, we recommend recording all identifiers you find, not just one.

• Model number
• Type number
• Code (date code)
• Any transaxle or transmission ID tag numbers (if present)

On a Briggs & Stratton transaxle transmission like model 915-032A, small differences in build can change which seals, gears, and shafts fit. Having the exact engine identification helps you avoid ordering the wrong drivetrain components.

Once you confirm the model/type/code, order replacement drivetrain parts from the list for model 915-032A, or search by the full identification on Sears PartsDirect.

Last updated: February 2026

To tell the horsepower (HP) of a Briggs engine used with the Briggs 915-032A transaxle transmission, we check the engine’s identification label and use the published power rating for that exact engine model and type; many newer engines list torque instead of HP.

Most Briggs engines have a label or stamping on the blower housing, valve cover area, or near the muffler heat shield. Use these items to identify the engine:

• Model number
• Type number
• Code (date code)
• Any printed gross torque or HP marking (varies by engine)

If you only see torque, you can still identify the engine accurately using model, type, and code.

Once you have the engine model, type, and code, match that exact engine to its published power rating. This is more accurate than relying on decals because decals can be missing, replaced, or shared across similar engines.

• Clean the label area so all digits are readable
• Write the model, type, and code exactly as shown
• Confirm you are reading the engine tag (not the mower or tractor model tag)
• Use the drivetrain parts list to keep your transmission parts matched to 915-032A

Using the correct engine power rating helps when diagnosing performance complaints (bogging, belt slip, poor hill climbing) and when selecting drivetrain-related parts that must match the transaxle build, such as seals, shafts, and gears.

If you are servicing leaks or internal wear on the 915-032A drivetrain, these model-matched parts are commonly involved:

• Seal ring 788061 (wheel axle oil seal area)
• Transmission grease 788067D (for internal lubrication during rebuild)
• Input shaft 776299 (if you have drive engagement issues)

For ordering, use the parts list for model 915-032A on this page, or search by model number on Sears PartsDirect.

Last updated: February 2026

With normal residential use and consistent maintenance, a Briggs engine typically lasts 1,000 to 2,000 running hours, which often works out to 10 to 15 years for many riding mower and tractor applications. For the Briggs 915-032A drivetrain setup, clean lubrication and leak-free seals are key to reaching that lifespan.

We see engine life swing widely based on a few controllable items:

• Oil changes on schedule (old oil accelerates wear)
• Clean air filtration (dirt ingestion is a fast way to shorten life)
• Fresh fuel practices (stale fuel leads to hard starting and carb issues)
• Cooling airflow (keep fins and shrouds clear of debris)
• Drivetrain condition (dragging brakes or binding transaxle loads the engine)

Use this as a practical baseline for most Briggs-powered riding equipment:

If the transaxle is leaking or running low on lubricant, the drivetrain can bind and force the engine to work harder. Address leaks early and reseal correctly.

Common leak-related parts on this model page include:

• Seal 788069 (general sealing point)
• Seal ring 788061 (wheel axle oil seal)
• Quad ring 792001 (O-ring style seal)
• Western auto lawn tractor transaxle sealer 510334 (sealer used during reassembly)

A Briggs engine usually fails early from wear (dirty oil/air) or fuel-related problems, not from age alone. Keeping the transaxle sealed and the drivetrain rolling freely reduces load, heat, and long-term stress on the engine.

You can order the correct drivetrain seals, gears, shafts, and related parts for 915-032A from the parts list for this model, or search by model number on Sears PartsDirect.

Last updated: February 2026

Most 4-cycle Briggs and Stratton HP lawn and garden engines run on SAE 10W-30 for general use; SAE 30 is a strong choice for consistently warm weather, and synthetic 5W-30 works best for cold starts. For your Briggs 915-032A page, note this is a transaxle drivetrain, not the engine.

Use these common viscosity choices for 4-cycle Briggs engines (not 2-cycle).

• SAE 10W-30: best all-around for changing temperatures
• SAE 30: best for steady warm-weather mowing
• Synthetic 5W-30: best for cold-weather starting
• Use 4-cycle engine oil; never use 2-cycle oil in a 4-cycle engine
• Keep the oil level at the full mark; low oil causes rapid wear

The Briggs 915-032A parts list shown here is for the transmission/drivetrain (gears, shafts, seals, and grease). If you are servicing the transaxle itself, use the specified transmission lubricant, not engine oil; a common item for this drivetrain is grease 788067D.

• Engine oil goes in the engine crankcase
• Transaxle lubricant stays inside the transmission case
• Mixing them up can cause leaks, overheating, or poor drive performance

Correct viscosity lets the engine build an oil film quickly at startup and maintain protection under load; correct transaxle grease protects gears and bearings under high torque.

If you need drivetrain parts for the 915-032A transaxle, order from the parts list for this model or search by model number on Sears PartsDirect.

Last updated: February 2026