Lower Units & Gearcases
Shop Mercury lower units and gearcase assemblies including OEM replacement components designed for reliable outboard performance and proper fitment. Lower units and gearcases play a critical role in transferring engine power, supporting propeller operation, and maintaining smooth drivetrain performance on the water.
Gregor’s Marine carries genuine Mercury gearcase and lower unit components for a wide range of outboard applications.
Call our team at (727) 596-5929 for assistance confirming fitment.
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- Qty in Cart
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- Price
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Mercury Trim Motor Kit 896161A02
Mercury
MSRP: $678.99$577.14Mercury Trim Motor Kit 896161A02 OEM Mercury Trim Motor Kit designed for select Mercury outboard applications. The trim motor is a critical component of the power trim and tilt system, allowing you to adjust engine angle for improved performance, fuel...896161A02- SKU:
- 896161A02
- Availability:
- Usually Ships within 24hours
- Weight:
- 75.20 Ounces
MSRP: $678.99$577.14 -
Mercury Reverse Gear 8M0142841
Mercury
MSRP: $175.99$149.59Mercury Reverse Gear 8M0142841 Genuine Mercury reverse gear designed for select Mercury outboard and sterndrive applications. The reverse gear is a critical drivetrain component that engages reverse operation, helping provide smooth maneuverability and...8M0142841- SKU:
- 8M0142841
- Availability:
- Usually Ships within 24hours
- Weight:
- 5.10 Ounces
MSRP: $175.99$149.59 -
Mercury Silver Paint, Gear Case OEM 8M0233014
Mercury
MSRP: $30.00$25.50Mercury OEM Silver Paint, Gear Case OEM 8M0233014 Genuine Mercury OEM Silver Paint for the Gear Case. Ideal for marine paint repairs, touch-ups, restoration projects, and refinishing applications. Manufactured to Mercury Marine OEM specifications for...8M0233014- SKU:
- 8M0233014
- Availability:
- Usually Ships within 24hours
- Weight:
- 16.00 Ounces
MSRP: $30.00$25.50 -
Mercury Trim Rod Assembly 8M0225367
Mercury
MSRP: $319.99$271.99Mercury Trim Rod Assembly 8M0225367 Genuine Mercury Trim Rod Assembly designed for select Mercury outboard power trim and tilt systems. The trim rod assembly is a critical component of the hydraulic trim and tilt system, helping raise, lower, and...8M0225367- SKU:
- 8M0225367
- Availability:
- Usually Ships within 24hours
- Weight:
- 22.61 Ounces
MSRP: $319.99$271.99 -
Mercury Gear Case COMP 4CYL 4SLG OEM 9760T41
Mercury
MSRP: $3,007.15$2,556.08Genuine Mercury Gear Case COMP 4CYL 4SLG, part number 9760T41. Designed for use with compatible applications.9760T41- SKU:
- 9760T41
- Availability:
- Usually Ships within 24hours
- Weight:
- 544.00 Ounces
MSRP: $3,007.15$2,556.08 -
Mercury Gear Case 40 3CYL 4S LG OEM 8M0086324
Mercury
MSRP: $3,007.15$2,556.08Genuine Mercury Gear Case 40 3CYL 4S LG, part number 8M0086324. Designed for use with compatible applications.8M0086324- SKU:
- 8M0086324
- Availability:
- Usually Ships within 24hours
- Weight:
- 592.75 Ounces
MSRP: $3,007.15$2,556.08 -
Mercury Gearcase 40 3Cyl 4-Stroke Sh 8M0086323
Mercury
MSRP: $3,007.15$2,556.08The Mercury Gearcase Assembly (40HP 3-Cylinder FourStroke) 8M0086323 is a genuine Mercury OEM complete gearcase assembly designed for select 40HP Three-Cylinder FourStroke outboards. Manufactured to Mercury Marine specifications, this complete lower unit...8M0086323- SKU:
- 8M0086323
- Availability:
- Usually Ships within 24hours
- Weight:
- 672.00 Ounces
MSRP: $3,007.15$2,556.08 -
Mercury Gear Case 15-20 4S L OEM 8M0172925
Mercury
MSRP: $1,721.45$1,463.23Genuine Mercury Gear Case 15-20 4S L, part number 8M0172925. Designed for use with compatible applications.8M0172925- SKU:
- 8M0172925
- Availability:
- Usually Ships within 24hours
- Weight:
- 320.00 Ounces
MSRP: $1,721.45$1,463.23 -
Mercury Wear Ring Kit 856814A2
Mercury
MSRP: $1,030.49$875.92Mercury Wear Ring Kit 856814A2 is a genuine Mercury OEM replacement wear ring kit designed for select Mercury Sport Jet and M2 jet drive applications. The wear ring maintains proper clearance around the impeller, helping maximize jet pump efficiency,...856814A2- SKU:
- 856814A2
- Availability:
- Usually Ships within 24hours
- Weight:
- 142.40 Ounces
MSRP: $1,030.49$875.92 -
Mercury GEARCASE-COMP M8R OEM 8M0090580
Mercury
MSRP: $61,570.00$52,334.50Genuine Mercury GEARCASE-COMP M8R, part number 8M0090580. Designed for use with compatible applications.8M0090580- SKU:
- 8M0090580
- Availability:
- Usually Ships within 24hours
- Weight:
- 0.00 Ounces
MSRP: $61,570.00$52,334.50 -
Mercury GEARCASE-COMP M8R OEM 8M0090579
Mercury
MSRP: $61,570.00$52,334.50Genuine Mercury GEARCASE-COMP M8R, part number 8M0090579. Designed for use with compatible applications.8M0090579- SKU:
- 8M0090579
- Availability:
- Usually Ships within 24hours
- Weight:
- 0.00 Ounces
MSRP: $61,570.00$52,334.50 -
Mercury GEARCASE-COMP M8R OEM 8M0090578
Mercury
MSRP: $60,125.00$51,106.25Genuine Mercury GEARCASE-COMP M8R, part number 8M0090578. Designed for use with compatible applications.8M0090578- SKU:
- 8M0090578
- Availability:
- Usually Ships within 24hours
- Weight:
- 3,200.00 Ounces
MSRP: $60,125.00$51,106.25 -
Mercury GEARCASE-COMP M8R OEM 8M0090576
Mercury
MSRP: $60,125.00$51,106.25Genuine Mercury GEARCASE-COMP M8R, part number 8M0090576. Designed for use with compatible applications.8M0090576- SKU:
- 8M0090576
- Availability:
- Usually Ships within 24hours
- Weight:
- 0.00 Ounces
MSRP: $60,125.00$51,106.25 -
Mercury GEARCASERH22:25M8 OEM 8M0069709
Mercury
MSRP: $58,680.00$49,878.00Genuine Mercury GEARCASERH22:25M8, part number 8M0069709. Designed for use with compatible applications.8M0069709- SKU:
- 8M0069709
- Availability:
- Usually Ships within 24hours
- Weight:
- 0.00 Ounces
MSRP: $58,680.00$49,878.00 -
Mercury GEARCASELH22:25M8 OEM 8M0069710
Mercury
MSRP: $58,680.00$49,878.00Genuine Mercury GEARCASELH22:25M8, part number 8M0069710. Designed for use with compatible applications.8M0069710- SKU:
- 8M0069710
- Availability:
- Usually Ships within 24hours
- Weight:
- 0.00 Ounces
MSRP: $58,680.00$49,878.00 -
Mercury GEARCASE ASY-M8RH OEM 8M8026003
Mercury
MSRP: $54,000.00$45,900.00Genuine Mercury GEARCASE ASY-M8RH, part number 8M8026003. Designed for use with compatible applications.8M8026003- SKU:
- 8M8026003
- Availability:
- Usually Ships within 24hours
- Weight:
- 0.00 Ounces
MSRP: $54,000.00$45,900.00 -
Mercury GEARCASE ASY-M8LH OEM 8M8026002
Mercury
MSRP: $54,000.00$45,900.00Genuine Mercury GEARCASE ASY-M8LH, part number 8M8026002. Designed for use with compatible applications.8M8026002- SKU:
- 8M8026002
- Availability:
- Usually Ships within 24hours
- Weight:
- 3,184.00 Ounces
MSRP: $54,000.00$45,900.00 -
Mercury GEARCASTRT19:21M6 OEM 8M0134334
Mercury
MSRP: $48,580.00$41,293.00Genuine Mercury GEARCASTRT19:21M6, part number 8M0134334. Designed for use with compatible applications.8M0134334- SKU:
- 8M0134334
- Availability:
- Usually Ships within 24hours
- Weight:
- 0.00 Ounces
MSRP: $48,580.00$41,293.00 -
Mercury GEARCASELH19:21M6 OEM 8M0134335
Mercury
MSRP: $48,580.00$41,293.00Genuine Mercury GEARCASELH19:21M6, part number 8M0134335. Designed for use with compatible applications.8M0134335- SKU:
- 8M0134335
- Availability:
- Usually Ships within 24hours
- Weight:
- 0.00 Ounces
MSRP: $48,580.00$41,293.00 -
Mercury GEARCASELH19:20M6 OEM 8M0134333
Mercury
MSRP: $42,505.00$36,129.25Genuine Mercury GEARCASELH19:20M6, part number 8M0134333. Designed for use with compatible applications.8M0134333- SKU:
- 8M0134333
- Availability:
- Usually Ships within 24hours
- Weight:
- 0.00 Ounces
MSRP: $42,505.00$36,129.25
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