Gas Fuel Tank Cap Compatible with Craftsman, Troy Bilt, MTD, YardMan - Replaces 751-10649, 751-10649A, 751-12532, 751-12533, 951-10649, 951-10649A, 951-12532, 951-12533,

What It Is

This is a replacement gas fuel tank cap designed for walk-behind mowers, tractors, and zero-turn mowers from Craftsman, Troy Bilt, MTD, and YardMan. It seals the fuel tank to prevent leaks and evaporation, and includes a built-in vent to maintain proper fuel flow.

Fitment & Compatibility

Before buying, check your original cap’s part number. This cap replaces OEM numbers: 751-10649, 751-10649A, 751-12532, 751-12533, 951-10649, 951-10649A, 951-12532, and 951-12533. It fits most MTD-built mowers (Craftsman, Troy Bilt, YardMan) with a standard 2-inch threaded fuel neck. Measure your tank opening diameter—if it’s exactly 2 inches and the threads match, it’s likely compatible. Not for all models; verify your mower’s model number on the manufacturer’s parts lookup or match your old cap’s shape and thread pitch. Avoid assuming it fits based on brand alone—some older or non-MTD models use different caps.

Key Things to Know

• Quality: Most users report it seals well and vents properly, though a few note the vent can stick if debris gets in. Clean the cap occasionally.
• Installation: It’s a simple twist-on replacement—no tools needed. Hand-tighten only; overtightening can crack the cap or strip threads.
• Common Gotcha: If your mower runs fine but stalls after a few minutes, the vent may be clogged. Test by loosening the cap slightly; if the engine runs, the vent is blocked.
• Fitment Check: The cap is aftermarket, so it may lack the exact OEM branding but is functionally identical. If your original cap had a tether, this one may not—check the listing images.

Should You Buy It

If your original cap is cracked, leaking, or the vent is stuck, this is a reliable, low-cost fix for most MTD-family mowers. It’s best for DIYers who want a quick replacement without visiting a dealer—just verify your cap’s part number first.