632795A Carburetor + Primer Bulb for Tecumseh 632046A 632078A 632099 TVS90 TVS105 TVS115 TVS120 TVS75 TVS100 ECV100 Engine Craftsman 4.5HP 5HP Craftsman Eager 1 Lawnmower

What It Is

This is a complete carburetor assembly with a primer bulb, designed to replace the fuel system on Tecumseh engines (TVS, ECV series) commonly found in Craftsman Eager 1 lawn mowers (4.5HP–5HP). It delivers the correct air-fuel mixture and replaces the OEM part numbers 632046A, 632078A, and 632099.

Fitment & Compatibility

• Engines: Tecumseh TVS75, TVS90, TVS100, TVS105, TVS115, TVS120, and ECV100.
• Mowers: Craftsman Eager 1 models with 4.5HP or 5HP Tecumseh engines (check engine tag, not deck size).
• OEM Cross-Reference: 632046A, 632078A, 632099 – confirms direct replacement.
• What to check before buying:
  • Locate the engine model number (stamped on the engine shroud or block) – must be one of the TVS/ECV listed.
  • Verify your current carb uses a single-bowl design with a primer bulb (not a choke plate).
  • Measure the mounting bolt spacing (typically 2.5" center-to-center) and fuel line diameter (¼" or 5/16").

Key Things to Know

• Quality: Aftermarket part, not OEM Tecumseh. Most users report good performance with minor tuning needed. Some units may require adjusting the idle screw or cleaning out machining debris.
• Installation: Moderate difficulty – you’ll need to remove the air filter housing, fuel line, and two mounting bolts. Replacing the primer bulb line and gasket (included) is straightforward.
• Common gotchas:
  • The primer bulb may be stiff initially – pump it 5–6 times before first start.
  • If the mower runs rich, check the float level (bend the tab slightly) or swap the old main jet if the new one is too large.
  • Not compatible with engines that use a separate choke lever or throttle cable system (e.g., older Tecumseh HSSK models).
• Fuel line note: The included fuel line may be shorter than OEM; reuse your old line if needed.

Should You Buy It

If your Craftsman Eager 1 with a Tecumseh TVS/ECV engine is hard-starting, surging, or leaking fuel, this is a cost-effective fix. It’s not for professionals or high-use commercial mowers, but for home lawn care, the price and rating (4.6/5) make it a solid, easy swap.