Briggs & Stratton Intake Elbow 797901 OEM replacement for small engines — restores airflow, prevents vacuum leaks

The Briggs & Stratton 797901 intake elbow is a genuine OEM replacement part that restores the air intake connection on compatible small engines.

If your engine’s intake elbow is cracked, warped, or leaking, fitting the correct replacement part preserves airflow integrity and helps the engine run as intended. This 797901 elbow is manufactured by Briggs & Stratton to match original specifications and fits a range of engine models and part-number families. Because many intake components look similar, confirm model compatibility before purchase; contact us if you need assistance identifying your engine.

How do I know this elbow fits my engine?

Check the engine model or the part number stamped on the old elbow and compare it to the compatibility list. If you see one of the listed numbers or your engine model matches the listed families, the 797901 should fit without modification.

• Matches OEM part number 797901 from Briggs & Stratton
• Cross-references multiple engine part numbers (see product compatibility)
• Designed to replace worn or damaged intake elbows on listed models

What are the practical benefits of replacing a damaged intake elbow?

A proper intake elbow maintains the sealed path for air and fuel mixture to the carburetor, preventing vacuum leaks and dirt ingress. Installing a correct OEM elbow helps avoid performance issues linked to air leaks and preserves engine longevity.

• Restores correct airflow and pressure to the carburetor
• Reduces risk of dirt and debris entering the intake tract
• Stops vacuum leaks that can cause rough idling or poor throttle response

Is installation difficult and what tools do I need?

Installation is typically straightforward and can be completed with basic hand tools. Remove the old elbow, clean the mating surfaces, and install the new part using the same bolts, clamps, or gaskets that match your engine’s configuration.

• Basic socket set or screwdrivers usually required
• Inspect and replace gaskets or clamps if worn
• Follow torque specs from your engine manual when reassembling

What should I check after fitting the new intake elbow?

After installation, start the engine and listen for air leaks or irregular idling, then inspect for any fuel or air seepage around the mating surfaces. A short test run and visual check confirm a secure fit and proper operation.

• Perform a brief idle and acceleration check
• Look for signs of vacuum leaks or abnormal noise
• Re-tighten fasteners if necessary after a short run-in

Who is this for: The Briggs & Stratton 797901 intake elbow is intended for homeowners, landscapers, and repair technicians maintaining Briggs & Stratton small engines listed in the compatibility guide. If you maintain lawn mowers, pressure washers, or other outdoor power equipment and need an exact OEM intake elbow replacement, this part provides a factory-fit solution. If you are unsure which part you need, send us your engine model or the old part number and we’ll help verify compatibility.