Lower Unit Remanufactured - Rebuilt Gear Cases 

Offering a wide variety of Rebuilt Lower Units for many boat motor brands:

  • Boat Lower Units – Gear Cases & Lower units for outboard motors.
  • Upper Driveshaft Assembly, Lower Driveshaft Outdrives for Sterndrives
  • Remanufactured Gear Cases are priced at deep discounts to save you money
  • Rebuilding: Mercury, Mariner, Force, Evinrude, Johnson, Chrysler.
  • Sterndrive Upper & Lower Driveshaft Assembly for Mercruiser, OMC & Volvo-Penta.
  • All remanufactured lower units for sale include a full 1 year warranty.

US Boatworks- Quality Lower Unit Remanufacturing for 40 years.

volvo lower unit sx m #3855696, 2.18 & 1.85 ratio gearcase
We carry parts for Mercury, Mercruiser, OMC,Evinrude, Johnson, Volvo-Penta
OEMMERCURY LOWER UNITSSTKPRICEDETAILS
1647-9148T84V6, 2.0L To 2.5L, 1.87 RatioBW22$1,995More Info
1647-9148T81V6, 2.0L To 2.5L, 2.00 RatioBW23$1,995More Info
1667-9011J7I-4, 100-125 Hp, 1987-2011, 3 Dog RevBW25$1,995More Info
1667-9011J6I-4, 100-125 Hp, 1987-2011, 6 Dog RevBW25B$1,795More Info
1667-9011J16I-3, 75-90 Hp, 1987-2011, 3 Dog RevBW26$1,995More Info
1667-9011J15I-3, 75-90 Hp, 1987-2011, 6 Dog RevBW26B$1,795More Info
1667-9011G9230 Hp - 50 Hp, 4 Stroke, Big FootBW27$1,795More Info
1682-821306T630 Hp & 40 Hp, 2 Stroke, 2.00 RatioBW30$1,695More Info
1682-821306T2840 Hp & 50 Hp, 2 Stroke, 1.83 RatioBW32$1,695More Info
1671-9760T2550 Hp, 55 Hp, 60 Hp, 2 Stroke, 1.64 RatioBW33$1,695More Info
OEMEVINRUDE/JOHNSONSTKPRICEDETAILS
5004635V6, 2 TAB INTERNAL SCREEN,1991-2011BW55$1,995More Info
5005549V6 MAG 1 LOWERBW56$2,995More Info
5006557V6 MAG 1 LOWERBW56-1$2,995More Info
5000356V4,2 PC DRIVE SHAFT, INTERNAL SCREEN, 1978-1994BW58A$1,795More Info
5004632V4,2 PC Drive Shaft, External Screen, 1995-2003BW58B$1,895More Info
5009332V4 S2 2:1 RATIO LOWERBW58C-1$2,495More Info
5009334V4 S2 2:1 RATIO LOWERBW58C$2,495More Info
5005744V4, Large Housing, 1991-2007. Fits OEM #s 5009318, 5005744, 5009338, 5008336BW59$1,995More Info
5009338V4 Large Housing 1991-2007BW59-1$1,995More Info
4326243CYL, Fine Spline ,1989-1999, 60-70 HpBW60$1,695More Info
3967303CYL, Course Spline, 1978-1988, 60-70 HpBW60A$1,695More Info
4352772CYL, 40 Hp- 50 Hp, 1989-1992BW61$1,795More Info
4352802CYL, 40 Hp- 50 Hp, 1993-2005, 2 StrokeBW62$1,895More Info
5006425

2CYL, 40-60 HP, ETEC, 2004-2014. OEM #5009330 & 5006425

BW64$2,495More Info
50093642 Cycle, 40-60 HP, ETEC, 2015 - NewerBW65$ 2,795More Info
50097582 Cycle, 40-60 HP, ETEC, 2015 - NewerBW65-1$ 2,795More Info
OEMFORCE LOWER UNITSSTKPRICEDETAILS
1667-9011G81120 Hp, 3 Dog Reverse, 1995-1999BW25$1,995More Info
1667-9011G80120 Hp, 6 Dog Reverse, 1995-1999BW25B$1,795More Info
1667-9011G7590 Hp, 3 Dog Reverse, 1995-1999BW26$1,995More Info
1667-9011G7490 Hp, 6 Dog Reverse, 1995-1999BW26B$1,795More Info
1600-820588T185-150 Hp, 2 Piece D-Shaft 1989-1994BW28$1,995More Info
1600-819123T870-75 Hp, 1991-1998BW29$1,995More Info
1682-821306T640-50 Hp, 1995-1999BW30$1,695More Info
1600-819516A240-50 Hp, 1984-1994BW31$1,195More Info
OEMMERCRUISER LOWERSSTKPRICEDETAILS
1623-815822A53Alpha One, Gen 2 , 1991-2011BW1$1,695More Info
1623-8951A43Alpha One, 1984-1990, # 8951A43BW2$1,695More Info
OEMMERCRUISER UPPERSSTKPRICEDETAILS
1547-861063A12Alpha One Gen 2, 1.50 (20/22) 1991-2012, # 861063A12BW6B$1,495More Info
1547-861063A10Alpha One Gen 2, 1.65, 1991-2012, # 861063A10BW7B$1,495More Info
1547-861063A8Alpha One Gen 2,1.84 (17/19) 1991-2012, # 861063A8BW8B$1,495More Info
1547-861063A6Alpha One Gen 2, 1.98, 1991-2012, # 861063A6BW9B$1,495More Info
OEMVOLVO LOWERSSTKPRICEDETAILS
3855696SX-M Lower (17/30) 2.18 & 1.85 RatioBW34$3,495More Info
3855695SX-M Lower (17/27) 1.97 & 1.66 RatioBW35$3,495More Info
3855694SX-M Lower (17/26) 1.60 RatioBW36$3,495More Info
3855693SX-M Lower (18/26) 1.79 & 1.51 RatioBW37$3,495More Info
3855692SX-M Lower (19/26) 1.43 RatioBW38$3,495More Info
3842606SX-A Lower (17/30) 2.18 RatioBW74$3,395More Info
3842605SX-A Lower (17/27) 1.97 & 1.66 RatioBW75$3,395More Info
3842604SX-A Lower (17/26) 1.60 & 1.89 RatioBW76$3,395More Info
3842603SX-A Lower (18/26) 1.79 & 1.51 RatioBW77$3,395More Info
3842602SX-A Lower (19/26) 1.43 RatioBW78$3,395More Info
3855907DP SM Lower (17/29) 1.78 RatioBW79$5,995More Info
3860765DP SM Lower (16/30) 1.95 & 2.32 RatioBW80$5,995More Info
3842844DPS-A Lower (16/30) 1.95, 2.14 & 2.32 RatioBW81$4,995More Info
3842842DPS-A Lower (17/29) 1.78 & 2.11 RatioBW82$4,995More Info
OEMVOLVO OUTDRIVE UPPERSSTKPRICEDETAILS
3857007SX-M Upper (22-23) 1.43,1.51,1.60, 1.66, 1.85BW70$3,295More Info
3857007DPS-M Upper (22-23) 1.68, 1.78, 1.95, 2.30BW70$3,295More Info
3857010SX-M Upper (21/26) 1.79, 1,97, 2.18BW71$3,295More Info
3857010DPS-M Upper (21/26) 2.32BW71$3,295More Info
3842918SX-A Upper (22/23) 1.43, 1.51, 1.60, 1.66BW72$3,195More Info
3842918DPS-A Upper (22/23) 1.68, 1.78, 1.95BW72$3,195More Info
3842919SX-A Upper (21/26) 1.79, 1.89, 1.97, 2.18BW73$3,195More Info
3842919DPS-A Upper (21/26) 2.11, 2.32BW73$3,195More Info
OEMOMC UPPER & LOWERSSTKPRICEDETAILS
987800Cobra Lower V6, V8, 4 CYL, 1990-1993BW44$1,995More Info
987242800 Manual Lower Less Cable AssemblyBW46$2,095More Info
986669Cobra Lower Small Housing 4CYLBW45$1,795More Info
983505400 Manual Lower Less Cable AssemblyBW47$1,795More Info
987064Cobra Upper Unit 21:21 Thru 93BW40$1,995More Info
986380Cobra Upper Unit 21:19 THRU 93BW41$1,995More Info
986382Cobra Upper Unit 21:18 THRU 93BW42$1,995More Info
986381Cobra Upper Unit 21:16Thru 93BW43$1,995More Info
mercury ej omc volvo force mariner mercruiser

Lower Unit Education

DO YOUR HOMEWORK BEFORE YOU BUY
Join our Free Gearcase Education Course

Think Smart, Buy Smart!