How to remove and replace a rear main seal without removing the oil pan or seal retainer for the Acura MDX?

Remove the driveplate. The seal can be replaced without removing the oil pan or removing the seal retainer. However, the lip of the seal is quite stiff and it's possible to cock the seal in the retainer bore or damage it during installation. Pry out the old seal with a screwdriver. Carefully pry the rear main seal out - don't damage the surface of the crankshaft or the new seal will leak. Apply multi-purpose grease to the crankshaft seal journal and the lip of the new seal, then carefully drive the new seal into place with a seal driver. The lip is stiff, so carefully work it onto the seal journal of the crankshaft. Don't rush it or you may damage the seal. Drive the seal in squarely and only until it is flush with the back of the seal plate, no further. Make sure the spring side is facing in.

Genuine Acura MDX Crankshaft Seal

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10 Crankshaft Seals found

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Acura MDX Engine Crankshaft Seal (80X98X8) (Nok)
Part Number: 91214-RKG-003
$21.29 MSRP: $29.70
You Save: $8.41 (29%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Oil Seal (80X98X8) (Nok) ; Rear Main Seal; Rear Main Seal
- Replaces: 91214-RBB-003, 91214-RCA-A01, 91214-R70-A01
- Warranty: This genuine part is guaranteed by Acura's factory warranty.
Fits for 2003-2020 Acura MDX
View related parts
Acura MDX Oil Seal 41X56X7
Part Number: 91212-5MR-A01
$10.22 MSRP: $14.25
You Save: $4.03 (29%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Oil Seal (41X56X7) (Nok)
- Replaces: 91212-RCA-A02, 91212-RCA-A01, 91212-R70-A01, 91212-R70-A02
- Warranty: This genuine part is guaranteed by Acura's factory warranty.
Fits for 2022-2023, 2003-2020 Acura MDX
View related parts
Acura MDX Oil Seal (41X56X7)
Part Number: 91212-R70-A02
$10.22 MSRP: $14.25
You Save: $4.03 (29%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Oil Seal (41X56X7) (Nok) ; Oil Pump Oil Seal
- Replaced by: 91212-5MR-A01
- Warranty: This genuine part is guaranteed by Acura's factory warranty.
Fits for 2022, 2003-2020 Acura MDX
View related parts
Acura MDX Crankshaft Oil Seal (80X98X8) (Nok)
Part Number: 91214-RCA-A01
$21.29 MSRP: $29.70
You Save: $8.41 (29%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Oil Seal (80X98X8) (Nok) ; Rear Main Seal
- Replaced by: 91214-RKG-003
- Warranty: This genuine part is guaranteed by Acura's factory warranty.
Fits for 2003-2018 Acura MDX
View related parts
Acura MDX Cam Crank Seal (41X56X7) (Arai)
Part Number: 91212-R70-A01
$10.22 MSRP: $14.25
You Save: $4.03 (29%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Oil Seal (41X56X7) (Arai)
- Replaced by: 91212-5MR-A01
- Warranty: This genuine part is guaranteed by Acura's factory warranty.
Fits for 2022, 2003-2020 Acura MDX
View related parts
Acura MDX Crankshaft Oil Seal (41X56X8)
Part Number: 91212-P8A-A01
$14.15 MSRP: $19.73
You Save: $5.58 (29%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Oil Seal (41X56X8) ; Front Crank Seal; Front Crank Seal, Oil Seal
- Warranty: This genuine part is guaranteed by Acura's factory warranty.
Fits for 2001-2002 Acura MDX
View related parts
Acura MDX Crankshaft Oil Seal
Part Number: 91214-P8A-A01
$13.09 MSRP: $18.25
You Save: $5.16 (29%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Oil Seal (80X98X10) (Nok) ; Rear Main Seal; Rear Main Seal
- Warranty: This genuine part is guaranteed by Acura's factory warranty.
Fits for 2001-2002 Acura MDX
View related parts
Acura MDX Oil Seal (41X56X7)
Part Number: 91212-R9P-A01
$13.54 MSRP: $19.33
You Save: $5.79 (30%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Front Crank Seal; Crankshaft Seal
- Warranty: This genuine part is guaranteed by Acura's factory warranty.
Fits for 2023 Acura MDX
View related parts
Acura MDX Oil Seal (80X98X8)
Part Number: 91214-R9P-A01
$15.16 MSRP: $21.15
You Save: $5.99 (29%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Rear Main Seal; Crankshaft Seal
- Warranty: This genuine part is guaranteed by Acura's factory warranty.
Fits for 2022 Acura MDX
View related parts
Acura MDX Oil Seal (80X98X8)
Part Number: 91214-6S9-A01
$14.81 MSRP: $21.15
You Save: $6.34 (30%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Warranty: This genuine part is guaranteed by Acura's factory warranty.
Fits for 2023-2024 Acura MDX

Acura MDX Crankshaft Seal

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Acura MDX Crankshaft Seal Parts Questions & Experts Answers

Crankshaft Oil Seal (41X56X8)
91212-P8A-A01
Q: How to remove and replace a rear main seal without removing the oil pan or seal retainer for the Acura MDX?
A: Remove the driveplate. The seal can be replaced without removing the Oil Pan or removing the seal retainer. However, the lip of the seal is quite stiff and it's possible to cock the seal in the retainer bore or damage it during installation. Pry out the old seal with a screwdriver. Carefully pry the rear main seal out - don't damage the surface of the crankshaft or the new seal will leak. Apply multi-purpose grease to the crankshaft seal journal and the lip of the new seal, then carefully drive the new seal into place with a seal driver. The lip is stiff, so carefully work it onto the seal journal of the crankshaft. Don't rush it or you may damage the seal. Drive the seal in squarely and only until it is flush with the back of the seal plate, no further. Make sure the spring side is facing in.