Rear Main Seal Replacement Cost for Buick Regal

Rear Main Seal Replacement Estimate (National Average)

$659
to
$836*
Validated estimate range for national average.

The average cost for a Rear Main Seal Replacement is between $659 and $836. Labor costs are estimated between $624 and $789 while parts are priced between $35 and $47. Get a personalized estimate based on your location and specific car. Estimate does not include taxes and fees.

Parts & Labor Breakdown
Labor: $624 - $789
Parts: $35 - $47
Estimate does not include taxes and fees.
Best Practices

Replacement of the rear main seal requires removal of the transmission. Due to this labor intensive job, shops will often suggest having the rear main seal replaced anytime the transmission is removed.

The rear main seal may also be referred to as the "rear crankshaft seal."

Common Symptoms

When a Buick Regal rear main seal leaks, engine oil will often be found dripping from between the engine and the transmission.

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