Chikia Huayi P19A 1P70F Carburetor for MTD Troy Bilt 173cc 159cc 163cc 951-10310 751-10310 Push Lawn Mower 1P70FUA 1P70M0 2P70M0

What It Is

This is a complete aftermarket carburetor assembly designed for MTD and Troy-Bilt push mowers equipped with Huayi 173cc, 159cc, or 163cc engines. It replaces OEM part numbers 951-10310 and 751-10310, and works with engine models 1P70FUA, 1P70M0, and 2P70M0.

Fitment & Compatibility

Before buying, confirm your engine’s model number (stamped on the engine shroud or valve cover). This carburetor fits:

• Huayi engines: 1P70FUA, 1P70M0, 2P70M0
• Displacement: 159cc, 163cc, 173cc
• Mower brands: MTD, Troy-Bilt, Cub Cadet, Yard Machines, and other MTD-built models
• OEM replacements: 951-10310, 751-10310

Check that your fuel line diameter matches the carburetor inlet (usually 1/4-inch). Also verify gasket and primer bulb alignment—some aftermarket units may require minor adjustment. Measure mounting bolt spacing (typically 60mm) to ensure a direct swap.

Key Things to Know

• Quality variance: This is a budget aftermarket carburetor. Expect plastic components and less precise machining than OEM. Some users report needing to clean out debris or adjust the float height before installation.
• Install difficulty: Moderate. You’ll need to remove the air filter cover, disconnect fuel and throttle linkages, and swap gaskets. No special tools required, but patience with small springs and clips helps.
• Common gotchas: The included gaskets may be too thin or misaligned—reuse OEM gaskets if possible. The primer bulb may not seat perfectly; test for air leaks after install. If mower runs rich or lean, adjust the idle mixture screw (if present) or clean the main jet.
• Performance: Expect it to run, but not as reliably as a genuine Huayi carburetor. May need fine-tuning for smooth idle and full throttle.

Should You Buy It

This carburetor is a budget-friendly stopgap for getting a mower running again, especially if you’re handy with small-engine repairs and willing to tweak it. For a daily-use mower or long-term reliability, invest in an OEM Huayi carburetor instead.