FEL-PRO BS 40635 rear crankshaft seal kit for the 1986-1993 Ford F-600 6-cylinder 6.6L, the 1987-1989 F-600 6-cylinder 7.8L, the 1991 F-600 6-cylinder 7.8L and other vehicles keeps engine oil from escaping around the rear of the crankshaft. This FEL-PRO crankshaft seal kit meets or exceeds all original equipment specifications.
- Designed for the repair environment, including imperfect sealing surfaces
- Made with proprietary materials for a reliable seal
- Application-specific design intended for a precise fit
- Validated for fit, form and function
Quick facts
- Part: FEL-PRO BS 40635 crankshaft seal kit
- Also called: engine crankshaft seal kit
- Fits: 1986-1993 Ford F-600 6-cylinder 6.6L, the 1987-1989 F-600 6-cylinder 7.8L, the 1991 F-600 6-cylinder 7.8L and other vehicles
- Position: Rear
- Condition: New
Oil dripping at the rear of the engine can mean the crankshaft seal is worn and leaking. Those signs alone do not prove the seal is at fault, since a leaking oil pan gasket can leave a similar trail.
Fits
The 1987-1993 Ford B-700 6-cylinder 6.6L or 7.8L and the 1988-1990 Ford CFT8000 6-cylinder 7.8L take this kit too, along with many other Ford models. Open the "Vehicles it fits" section to check your exact model and engine.
Specifications
Fit and size
- Position: Rear
- Quantity per application: 1
- Engines: L6-6.6L, L6-7.8L
Build and materials
- Condition: New
- Grade type: Premium
- Country of origin: Taiwan
In the box
One rear crankshaft seal kit; the engine takes one.
Interchange: RS29650 · 191034201
Product information is for general reference and may contain errors. See our Disclaimer.
Frequently Asked Questions
Does the FEL-PRO BS 40635 fit the 1987-1993 Ford B-700 6-cylinder 6.6L or 7.8L?
Yes. FEL-PRO BS 40635 fits the 1987-1993 Ford B-700 with the 6-cylinder 6.6L or 7.8L engine, and it takes one kit per engine.
Is the FEL-PRO BS 40635 a front or rear crankshaft seal kit?
It is a rear kit. FEL-PRO BS 40635 seals the rear of the crankshaft, and this listing holds one kit, which is the quantity the engine takes.
Which engines does this crankshaft seal kit cover?
It covers the 6-cylinder 6.6L and 7.8L engines (L6-6.6L and L6-7.8L), depending on the model. Open the "Vehicles it fits" section to match your exact engine.
How can I tell if my rear crankshaft seal is leaking?
Oil dripping or a wet film at the rear of the engine can be a sign of a leaking crankshaft seal. Look with the engine off and cool; a shop can pin down the source.
Is this engine crankshaft seal kit made for repair work?
Yes. FEL-PRO engineers and manufactures BS 40635 specifically for repair applications, and it is validated for fit, form and function.
