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...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...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...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...8M0225367- SKU:
- 8M0225367
- Availability:
- Usually Ships within 24hours
- Weight:
- 22.61 Ounces
MSRP: $319.99$271.99 -
Mercury Gear Case-L6 S 1.75 XXL OEM 8M0236240
Mercury
MSRP: $9,121.45$7,753.23Genuine Mercury Gear Case-L6 S 1.75 XXL, part number 8M0236240. Designed for use with compatible applications.8M0236240- SKU:
- 8M0236240
- Availability:
- Usually Ships within 24hours
- Weight:
- 1,280.00 Ounces
MSRP: $9,121.45$7,753.23 -
Mercury Gear Case 4CYL 4S LG OEM 8M0086325
Mercury
MSRP: $3,007.15$2,556.08Genuine Mercury Gear Case 4CYL 4S LG, part number 8M0086325. Designed for use with compatible applications.8M0086325- SKU:
- 8M0086325
- Availability:
- Usually Ships within 24hours
- Weight:
- 592.00 Ounces
MSRP: $3,007.15$2,556.08 -
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...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...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
Prefer to Call? (727) 596-5929