🛠️ Seal your engine’s legacy with precision and power!
The FEL-PRO BS 40578 Rear Main Seal Set is a high-quality, application-specific engine crankshaft seal designed for select Jeep and Dodge models from 1980 to 2002. It offers a precise fit, OEM-level durability, and a slim 0.4-inch profile to ensure superior sealing performance and long-lasting reliability trusted by professionals.
| Brand | Fel-Pro |
| Item dimensions L x W x H | 12 x 6 x 0.4 inches |
| Item Weight | 1.6 ounces |
| Bearing Number | BS40578 |
| Item Thickness | 0.4 Inches |
| Bearing Type | Seal Bearing |
| Compatible Lubricant | Oil |
| UPC | 841137374424 084113737442 |
| Global Trade Identification Number | 00084113737442 |
| Manufacturer | Fel-Pro |
| Model | Engine Main Seal Kit |
| Product Dimensions | 12 x 6 x 0.4 inches |
| Item model number | BS 40578 |
| Is Discontinued By Manufacturer | Yes |
| Exterior | Painted |
| Manufacturer Part Number | BS 40578 |
| OEM Part Number | BS40578 |
E**A
Great Viton seal
the Fel-Pro package contained a Viton seal with "National" cast into the material. Has a loop spring to maintain a good seal. worked for a GM 2.5L Iron Duke
S**N
Perfect
Fit perfectly on a 92 jeep yj 2.5. Zero leaks have roughly 2k miles on it since installed.
C**.
Perfect fit.
Perfect fit!
K**B
Perfect fit!
Exact part needed. Stopped rear main oil leak.
B**R
91 YJ Worked Perfect
91 YJ Worked Perfect
S**T
No leak
Fit 95 jeep yj
J**N
perfect fit
I used a screwdriver to pry the old one out and then used it to bang the new one into place so simple so easy and its done...phew, now to put it back together...arghhh
M**C
No more leak
No more leaky rear pinion seal
Trustpilot
1 day ago
2 weeks ago
