Fel-Pro BS40643 Rear Main Gasket Set
Seals the rear crankshaft journal to prevent oil leaks with a complete Fel-Pro gasket set
- Product colorTransparent
- Fel-Pro quality seals rear main leaks reliably
- BS40643 kit includes every gasket needed for the job
- Transparent material lets you verify fit before install
- New condition guarantees factory-fresh sealing performance
- Manufacturer-direct shipping on orders over 75
Fel-Pro BS40643 Gasket Set
This Fel-Pro rear main gasket set is built for engine sealing work. It contains the gaskets needed to service the rear main area during a rebuild or repair. The set is supplied new and ready for installation in the workshop.
For professional engine rebuilds
Mechanics performing rear main seal service on compatible engines will find the correct gaskets in this package. It is not suited for general-purpose sealing tasks or for engines that require a different gasket profile. Buyers who need a full overhaul kit or front-engine seals should look at other assemblies.
Part number BS40643 confirms fitment
The manufacturer part number BS40643 is the single reference that determines whether this set matches the engine being serviced. Verifying this number against the vehicle application is essential before ordering. No other specification in the listing defines compatibility.
How it compares
Measured against everything we stock in Engine Service & Diagnostic Tools, at today’s prices. Recalculated every night.
- Price $27.99
- Pricier than about 63% of the 1,113 comparable items (median $19.99).
Specifications
| Product | |
|---|---|
| Brand name | FEL-PRO |
| Product color | Transparent |
Questions about this item
How can I confirm the Fel-Pro BS40643 rear main gasket set is sealing correctly after installation?
After fitting the gasket set, run the engine to operating temperature and check the rear main seal area for any oil leaks; a dry joint indicates the gasket is working as intended.
What components are included in the Fel-Pro BS40643 rear main gasket set and what additional items might be needed?
The set contains the rear main gasket components; you may need to purchase sealant, fresh engine oil and standard hand tools separately to complete the installation.
Which version of the Fel-Pro rear main gasket set should I choose for my engine?
Select the BS40643 part number that matches your vehicle's specific engine application to ensure correct fitment.
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