Rear Main Seal Replacement Cost
Rear Main Seal Replacement typically costs $470–$1,950 across economy, mainstream and premium vehicles, including reference parts and labor. Most of this job can be access labor.
| Vehicle type | Parts | Labor hours | Total |
|---|---|---|---|
| economy | $30–$72 | 4–7.6 | $470–$1,478 |
| mainstream | $44–$86 | 5.2–8.8 | $616–$1,714 |
| premium | $58–$100 | 6.4–10 | $762–$1,950 |
Labor uses the configured national band of $110–$185/hour. Vehicle windows narrow both reference parts and hours; pickup, full-size SUV and van access can require more labor. This table is a reference estimate, not a complete quote analysis.
Last reviewed October 28, 2026 · Content updated October 28, 2026
What’s included
- Transmission or driveline access, crankshaft rear seal and leak verification
What’s often done at the same time
These jobs can share access on some vehicles. Ask which removal steps overlap; related work is not automatically necessary.
Signs you need it
- Engine oil confirmed at the rear crankshaft seal, not a pan or upper-engine leak
How shops can pad this quote
- Charging full transmission removal twice during clutch work
- calling any bellhousing oil a rear main leak
Questions to ask the shop
- How was the leak source confirmed, and how much removal labor is shared with clutch work?
- What findings make this necessary now rather than something to monitor?
- Which parts, fluids and access labor are already included in the estimate?
Frequently asked questions
How was the leak source confirmed, and how much removal labor is shared with clutch work?
Most of this job can be access labor. A separate seal replacement during transmission removal should reflect shared work.
What should this estimate include?
Transmission or driveline access, crankshaft rear seal and leak verification
What evidence supports this repair?
Engine oil confirmed at the rear crankshaft seal, not a pan or upper-engine leak
Which charges deserve a second look?
Charging full transmission removal twice during clutch work; calling any bellhousing oil a rear main leak
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AI-generated estimate based on typical labor times and parts prices. Actual prices vary by shop, region, vehicle condition and parts used. This is not a mechanic inspection. Read the disclaimer.