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.
- Product
- Qty in Cart
- Quantity
- Price
- Subtotal
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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 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 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 -
Mercury GEARCASERT19:20M6 OEM 8M0134332
Mercury
MSRP: $42,505.00$36,129.25Genuine Mercury GEARCASERT19:20M6, part number 8M0134332. Designed for use with compatible applications.8M0134332- SKU:
- 8M0134332
- Availability:
- Usually Ships within 24hours
- Weight:
- 0.00 Ounces
MSRP: $42,505.00$36,129.25 -
Mercury Gear Case ZEUS OEM 879345T44
Mercury
MSRP: $24,607.15$20,916.08Genuine Mercury Gear Case ZEUS, part number 879345T44. Designed for use with compatible applications.879345T44- SKU:
- 879345T44
- Availability:
- Usually Ships within 24hours
- Weight:
- 3,344.00 Ounces
MSRP: $24,607.15$20,916.08 -
Mercury Gear Case ZEUS ZORRO OEM 879345T43
Mercury
MSRP: $24,607.15$20,916.08Genuine Mercury Gear Case ZEUS ZORRO, part number 879345T43. Designed for use with compatible applications.879345T43- SKU:
- 879345T43
- Availability:
- Usually Ships within 24hours
- Weight:
- 3,344.00 Ounces
MSRP: $24,607.15$20,916.08 -
Mercury Gear Case SILVER CONTRA OEM 8M0174564
Mercury
MSRP: $24,007.15$20,406.08Genuine Mercury Gear Case SILVER CONTRA, part number 8M0174564. Designed for use with compatible applications.8M0174564- SKU:
- 8M0174564
- Availability:
- Usually Ships within 24hours
- Weight:
- 2,208.00 Ounces
MSRP: $24,007.15$20,406.08 -
Mercury Gear Case-500RW 1.6CXXXL OEM 8M0224417
Mercury
MSRP: $23,365.00$19,860.25Genuine Mercury Gear Case-500RW 1.6CXXXL, part number 8M0224417. Designed for use with compatible applications.8M0224417- SKU:
- 8M0224417
- Availability:
- Usually Ships within 24hours
- Weight:
- 0.00 Ounces
MSRP: $23,365.00$19,860.25 -
Mercury Gear Case-500R W 1.6XXXL OEM 8M0224416
Mercury
MSRP: $23,365.00$19,860.25Genuine Mercury Gear Case-500R W 1.6XXXL, part number 8M0224416. Designed for use with compatible applications.8M0224416- SKU:
- 8M0224416
- Availability:
- Usually Ships within 24hours
- Weight:
- 0.00 Ounces
MSRP: $23,365.00$19,860.25 -
Mercury Gear Case-500R W 1.6CXXL OEM 8M0224415
Mercury
MSRP: $23,150.00$19,677.50Genuine Mercury Gear Case-500R W 1.6CXXL, part number 8M0224415. Designed for use with compatible applications.8M0224415- SKU:
- 8M0224415
- Availability:
- Usually Ships within 24hours
- Weight:
- 1,528.00 Ounces
MSRP: $23,150.00$19,677.50
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