Osco Motors

End Plate Manifold Front, for Chrysler Big Block V8 5972B

BARCM-1-5972B


End Plate Manifold Front, for Chrysler Big Block V8 5972B

Manifold End Plate fits Chrysler # E7081M; Osco # 7081; Barr # CM-1-5972A; Mallory # 9-40300; Sierra # 18-1915 manifolds, uses Osco # 121 gaskets...

$47.95
Riser Mounting Kit for 8 Inch Crusader Riser without Water Outlet Fitting

barcr-20-97169p


Riser Mounting Kit for 8 Inch Crusader Riser without Water Outlet Fitting

Exhaust Riser Mounting Kit for Crusader with log style manifolds. This kit is used with the 8.0" risers. It contains a 3 hole gasket, 4 studs...

$41.95
Mounting Kit Riser Exhaust Marine for Crusader 4 Inch Riser

BARCR-20-97772P


Mounting Kit Riser Exhaust Marine for Crusader 4 Inch Riser

Exhaust Riser Mounting Kit for Crusader with log style manifolds without water outlet adaper on fresh water cooled applications. This kit is used...

$48.95
Housing Thermostat Cover Mercruiser GM 454 7.4L 502 8.2L V8 47442

BARMC-29-47442


Housing Thermostat Cover Mercruiser GM 454 7.4L 502 8.2L V8 47442

Thermostat Cover Housing for Mercruiser GM 454 cid 7.4L and 502 cid 8.2L big block V8. Notice the offset holes. The models that have an aluminum...

$34.95
Thermostat Base, for Mercruiser GM 454 7.4L, 502 8.2L V8 Center Rise

BARMC-29-90736


Thermostat Base, for Mercruiser GM 454 7.4L, 502 8.2L V8 Center Rise

Thermostat Base for Mercruiser GM big block V8 with center riser manifolds

$163.95
Riser Exhaust 3.5 Inch for Pleasurecraft (PCM) R029011

CRUR029011


Riser Exhaust 3.5 Inch for Pleasurecraft (PCM) R029011

3-1/2" Exhaust Riser fits Pleasurecraft applications with 2 long bolts and 2 short bolts. Replaces: R029011

$189.95
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 Limited Availability - Please Call 
Exhaust Elbow, OMC 140 HP GM 181 3.0L 4 Cylinder

OSC0188


Exhaust Elbow, OMC 140 HP GM 181 3.0L 4 Cylinder

Exhaust Elbow (Riser) fits 140 HP 3.0L 4 Cyl. Fits BAROMC-1-984054 Manifolds OEM: 980380 Osco Manifolds and Risers come with a 3-year limited...

$136.00
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Replacement Available
Elbow Gasket for OMC 140, 165 Inline

OSC0188-G


Elbow Gasket for OMC 140, 165 Inline

Exhaust Riser Gasket for a Barr Riser BAROMC-20-910380 and an Osco Riser Osco # 0188. This item replaces OMC # 908013, Barr # OMC-20-910380,...

$5.95
Riser Elbow Exhaust for Mercruiser 3.7L 224 for Iron Manifold with Reservoir

OSC0879


Riser Elbow Exhaust for Mercruiser 3.7L 224 for Iron Manifold with Reservoir

Riser Exhaust for a Mercruiser. It is used on a 3.7L 4-cylinder with a Cast Iron Manifold. It comes with the pressure cap and uses Osco # 0879-G...

$259.95
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 Limited Availability - Please Call 
Gasket Riser for Mercruiser 3.7L 224 cid with Cast Iron Manifold 27-856705

OSC0879-G


Gasket Riser for Mercruiser 3.7L 224 cid with Cast Iron Manifold 27-856705

Exhaust Riser Gasket for a 3.7L Mercruiser. It fits Osco # 0879 riser 3.7L with cast iron manifold Replaces: Mercury Marine Quicksilver original...

$8.00
Riser Mounting Kit for Mercruiser 90880A 2 Cast Iron Manifolds

OSC0879-MK


Riser Mounting Kit for Mercruiser 90880A 2 Cast Iron Manifolds

Riser Mounting Kit fits Mercruiser # 90880A 2; Barr # MC-20-90880; Osco # 0879; GLM # 51170; Mallory # 9-40550 risers. Replaces: Sierra # 18-8500;...

$10.95
Manifold Front Plate, 1/2" npt

OSC106T


Manifold Front Plate, 1/2" npt

This item is a front plate that fits on Chrysler small block (318/360 c.i.d.) that uses the log style manifold. The plate is tapped 1/2" npt and...

$32.95
End Plate Gasket for Chrysler Big Block V8

OSC121


End Plate Gasket for Chrysler Big Block V8

End Plate Gasket fits Osco # 150 end plates Replaces: Chrysler original equipment part # 3619665; Barr # CM-1-5972-C; Sierra # 18-0471; Mallory #...

$8.95
Elbow Mounting Kit for Chrysler 383 C.I.D thru 440 C.I.D. Inboard V8

OSC121MK


Elbow Mounting Kit for Chrysler 383 C.I.D thru 440 C.I.D. Inboard V8

Elbow Mounting Kit fits Chrysler # 2600402; Osco # 0402; Barr # CM-20-2600402; Sierra # 18-6600 lower exhaust elbows Replaces: Sierra # 18-8501;...

$14.95
Exhaust Riser 8 inch Generic Log Manifold

OSC1815-8


Exhaust Riser 8 inch Generic Log Manifold

Exhaust Riser 8 inch Generic Log Manifold

$225.00
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 Limited Availability - Please Call 
Exhaust Spacer Riser Block Extension 3 Inch Mercruiser Log End Riser Osco 1851

OSC1851


Exhaust Spacer Riser Block Extension 3 Inch Mercruiser Log End Riser Osco 1851

3" Spacer used on Mercruisers with Log Style Manifolds. It goes between the Manifold & the Riser. The riser mounting pad is 3-3/4 x 4...

$59.99
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Replacement Available
Spacer Mounting Kit for Mercruiser OSC1851

OSC1851MK


Spacer Mounting Kit for Mercruiser OSC1851

Spacer mounting kit fits Osco # 1851 Spacer

$39.95
Riser Exhaust for Mercruiser 2 Bolt 4 Cylinder GM 3.0L 181 12076A2

OSC2076


Riser Exhaust for Mercruiser 2 Bolt 4 Cylinder GM 3.0L 181 12076A2

Riser for All Mercruiser GM 4 Cylinder 2.5 & 3.0 Liter Engines with a 2 Bolt Riser, uses Osco # 6351-G gaskets Replaces: Mercury Quicksilver #...

$109.00
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Replacement Available
Riser Mounting Kit for Mercruiser OSC2076 Riser

OSC2076MK


Riser Mounting Kit for Mercruiser OSC2076 Riser

Mounting Kit for Osco # 2076 Riser Replaces: Sierra # 18-8551; Mallory # 9-40585 Osco Manifolds and Risers come with a 3-year limited warranty (PDF)!

$6.95
Exhaust Hose Adapter 2-3⁄8", 3"

OSC2330HA


Exhaust Hose Adapter 2-3⁄8", 3"

2-3/8" to 3" exhaust hose adapter

$29.95
Manifold Mounting Kit (2441, 2442, 52374) for Volvo Penta, OMC

OSC244MK


Manifold Mounting Kit (2441, 2442, 52374) for Volvo Penta, OMC

Manifold Mounting Kit For an OMC Log Style Manifold on a small Block GM Engine. This kit has the mounting gasket & manifold mounting hardware....

$15.95
Manifold Mounting Kit for Pleasurecraft

OSC28001-MK


Manifold Mounting Kit for Pleasurecraft

Mounting kit for a Pleasurecraft. It will fit the Ford 302/351. Mounting Kit fits Osco # 28001 manifolds. Replaces: Sierra # 18-8503; Mallory #...

$13.95
Exhaust Riser for Pleasurecraft OSC29001

OSC29001


Exhaust Riser for Pleasurecraft OSC29001

Riser for a Pleasurecraft application. It will fit GM & Ford Small Block V8 engines. It has a 3.0" outlet. It uses Riser Mounting Kit Osco #...

$139.95
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 Limited Availability - Please Call 
Riser Mounting Kit for Pleasurecraft

OSC29001MK


Riser Mounting Kit for Pleasurecraft

Riser Mounting Kit for a Pleasurecraft. It fits the Ford 302/351. This kit contains the riser gasket & mounting hardware. Mounting Kit fits Osco...

$8.95
Mounting Kit, Riser for Pleasurecraft 3.5 inch, fits OSC 29011

OSC29011MK


Mounting Kit, Riser for Pleasurecraft 3.5 inch, fits OSC 29011

Riser Mounting Kit for a Pleasurecraft. It fits the Ford 302/351. This kit contains the riser gasket & mounting hardware. Mounting Kit fits Osco...

$10.95
Block Riser Extension Exhaust Spacer 3 Inch for Mercruiser Center Rise 83-03

OSC3320


Block Riser Extension Exhaust Spacer 3 Inch for Mercruiser Center Rise 83-03

3" spacer used on Mercruiser applications. It goes between the manifold and the riser elbow. This item is used on all V6 and V8 Mercruisers with...

$79.95
Riser Mounting Kit for Mercruiser

OSC3320-MK


Riser Mounting Kit for Mercruiser

Mounting Kit For 3" Spacer with 3" Riser on Mercruiser Replaces: Barr # MC-20-93320A3P; GLM # 53331; Sierra # 18-8554; Mallory # 9-40582

$22.95
Riser Mounting Kit for Mercruiser using 3 Inch Spacer Block and 4 Inch Riser

OSC3320-MK-X


Riser Mounting Kit for Mercruiser using 3 Inch Spacer Block and 4 Inch Riser

Mounting Kit For 3" Spacer with 4" Riser on Mercruiser Replaces: Barr # MC-20-93320A3P; GLM # 53430; Sierra # 18-8555; Mallory # 9-40583

$22.95
Riser Mounting Kit, 6" for Mercruiser

OSC3322MK


Riser Mounting Kit, 6" for Mercruiser

Mounting Kit for 6" Spacer with 4" Riser on Mercruiser Replaces: Barr # MC-20-93322A3P; GLM # 53361; Sierra # 18-8556; Mallory # 9-40584

$7.95
Tee T Exhaust Marine Wet Exhaust Fitting Tee T 4 X 4 X 4 Cast Iron

OSC4040T


Tee T Exhaust Marine Wet Exhaust Fitting Tee T 4 X 4 X 4 Cast Iron

Tee Fitting 4" X 4" X 4" for Marine wet exhaust systems. Made of cast Iron.

$119.95
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Replacement Available
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