632547 Carburetor O-Ring for Tecumseh
This Carburetor O-Ring is designed as a direct replacement for Tecumseh small engines. It ensures a proper seal for the nozzle assembly in a wide range of Tecumseh carburetors, helping to maintain optimal fuel delivery and prevent leaks.
This aftermarket part replaces Tecumseh 632547 and cross-references with multiple aftermarket brands including Oregon, Stens, and Sunbelt. It is compatible with numerous Tecumseh carburetor models used across various engine applications.
- High-quality replacement O-ring for carburetor nozzle sealing
- Direct fit for multiple Tecumseh carburetor assemblies
- Sold in 15-piece package for convenience and value
Part Number Cross-Reference
Use this table to confirm equivalent part numbers across OEM and aftermarket brands.
| Brand |
Part Number |
| Tecumseh (OEM) |
632547 |
| Oregon |
02-635 |
| Stens |
417-378 |
| Sunbelt |
B1SB145 |
Compatible Engine Models
Confirm your carburetor model in the table below.
| Brand |
Carburetor Model |
| Tecumseh |
TEC-640156 |
| Tecumseh |
TEC-640178 |
| Tecumseh |
TEC-640214 |
| Tecumseh |
TEC-640266 |
| Tecumseh |
TEC-640278 |
| Tecumseh |
TEC-640278A |
| Tecumseh |
TEC-640119 |
| Tecumseh |
TEC-640132 |
| Tecumseh |
TEC-640142 |
| Tecumseh |
TEC-640145 |
| Tecumseh |
TEC-640148 |
| Tecumseh |
TEC-640149 |
| Tecumseh |
TEC-632733 |
| Tecumseh |
TEC-632742 |
| Tecumseh |
TEC-632747 |
| Tecumseh |
TEC-640026 |
| Tecumseh |
TEC-640026A |
| Tecumseh |
TEC-640029 |
| Tecumseh |
TEC-640031 |
| Tecumseh |
TEC-640069 |
| Tecumseh |
TEC-640071 |
| Tecumseh |
TEC-640076 |
| Tecumseh |
TEC-640076A |
| Tecumseh |
TEC-640082 |
| Tecumseh |
TEC-640288 |
| Tecumseh |
TEC-640307 |
| Tecumseh |
TEC-640314 |
Technical Specifications
| Specification |
Value |
| Part Type |
Carburetor Nozzle O-Ring |
| OEM Number |
632547 |
| Application |
Tecumseh Carburetors |
Package Contents
Your purchase includes:
- 15 × Carburetor O-Rings (Part Number 632547)
Installation Guide
- Ensure the engine is completely cool and disconnect the spark plug wire to prevent accidental starting.
- Remove the carburetor from the engine following the manufacturer's service manual.
- Carefully disassemble the carburetor and locate the nozzle assembly where the O-ring is installed.
- Remove the old O-ring using a pick or small screwdriver, taking care not to damage the sealing surface.
- Clean the nozzle and O-ring groove thoroughly to remove any debris, old fuel residue, or carbon buildup.
- Lightly lubricate the new O-ring with a small amount of clean engine oil or fuel to ease installation.
- Install the new O-ring into the groove, ensuring it is seated evenly without twisting or pinching.
- Reassemble the carburetor components in reverse order, following torque specifications if provided.
- Reinstall the carburetor onto the engine and reconnect all fuel lines and linkages securely.
- Reconnect the spark plug wire and start the engine to check for proper operation and fuel leaks.
- Allow the engine to run for a few minutes and inspect the carburetor for any signs of fuel seepage around the nozzle area.
- If leaks are detected, shut down the engine and re-check the O-ring installation and carburetor assembly.
Troubleshooting & FAQ
Q: How do I confirm this O-ring fits my Tecumseh carburetor?
A: Cross-reference your carburetor model number with the compatibility table above. This O-ring fits 27 different Tecumseh carburetor models listed, including TEC-640156, TEC-640278, and many others.
Q: How often should I replace the carburetor O-ring?
A: Replace the O-ring whenever you disassemble the carburetor for cleaning or repair, or if you notice fuel leaks around the nozzle area. Over time, O-rings can harden, crack, or lose elasticity, leading to poor sealing.
Q: What are the signs that my carburetor O-ring needs replacement?
A: Common symptoms include fuel leaking from the carburetor, hard starting, rough idling, or inconsistent engine performance. Visible cracks, brittleness, or deformation of the O-ring also indicate it's time for replacement.
Q: Can I reuse the old O-ring during carburetor reassembly?
A: It is not recommended. O-rings are designed for single use and can lose their sealing properties once removed. Always install a new O-ring to ensure a reliable seal and prevent fuel leaks.
Q: Why does this come in a 15-piece package?
A: The 15-piece package offers excellent value for small engine repair shops, frequent maintenance users, or anyone servicing multiple Tecumseh engines. It ensures you always have spare O-rings on hand for future repairs.
Q: Is this an OEM part or an aftermarket replacement?
A: This listing is an aftermarket replacement part (not an OEM component). We build to OEM specifications using comparable-grade materials. Production is done in an ISO9002-certified facility, and each batch is inspected for consistent performance.
Q: How fast do you ship and how much does it cost?
A: We offer fast global shipping—typically 5–15 days worldwide—and standard shipping is free. Expedited options are available at checkout depending on your location.
Q: What is your warranty and return policy?
A: This product includes a 1-year warranty against manufacturing defects under normal use. If something goes wrong, contact our support team with your order details. Returns are accepted within our standard return window (unused & in original condition); please see our policy page or reach out for instructions.
Important Notes
- Verify that the product images and specifications match your original part. If discrepancies exist—even if your model is listed—do not proceed with the purchase.
- This product is an aftermarket replacement part and is not an OEM component.
- Professional installation is recommended to ensure safety and optimal performance.
Why Choose JLM MARINE?
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