Barr Osco Parts Inventory

Besides Barr/Osco & Sierra Manifolds; we also stock OEM manifolds from Volvo Penta, Mercruiser, and OMC stern drive.
See our full inventory and search there asa well.

Some items we have in stock may or may not have been discontinued by a manufacturer.
Some items may have limited supply.

Do not depend on "Unit price" in this data base. 
Pricing sometimes changes faster than we can update. 
Also, some items may have discounts available. 

Feel free to email or call us for any parts you may need. 

Back to Inventory TOC or Home page of web site | Email us | Give us a call: 858 866-1525

 

Serial Number Product Description Sierra MC MC PN OMC J/E PN VOLVO PN GLM CDR PC PN APN Unit Price
5711 AQP - riser, exhaust, 4" outlet, Cobra & Volvo SX applications, Osco# 50456, AQ# 5711 ss to 18-1909. VPN ss to 3863061. Note: No holes for check valves, the Sierra replacement does.




3857944-7


5711 $195.99
CVCA Barr/Osco - bracket, alternator mounting. Fits CVCR818 & CSCR618 manifolds. For use with Motorola type alternators.









$19.50
FLCR-FB Barr/Osco - bracket, fuel filter mounting. For use with MCM small block Ford. Bolts to cylinder head.









$13.00
RC1817 Barr/Osco - bracket, riser clamp. Used on Osco conversion manifolds.









$3.00
803023 Barr/Osco - elbow, exhaust, cast iron, 3" reduces to 2 3/8 inch.









$37.76
LR-V Barr/Osco - eyelet, lifting. Used on VO418 manifold used on Volvo 2.3 & 2.5L 4cyl, AQ120, 125, 131, 140, 145, 151.









$8.00
ME-GK Barr/Osco - gasket kit, fits manifold ME153-LS & ME153-LR, 110/120 hp MCM. Includes Osco part numbers; gasket ME-G, gasket CY4-GH, gasket CY-MG, gasket 5538-G, gasket MWS-G, gasket MWF-G









$35.35
FL55 Barr/Osco - housing assembly, thermostat, fits 221-351 cid Ford engines.









$74.00
ME-LR Barr/Osco - plate, carburetor mounting. Fits ME153 manifold. Used on older 153 cid MCM. (110/120hp)









$61.00
MWS Barr/Osco - plate, front. Fits ME153 manifold. Used on older 153 cid MCM. (110/120hp)

74638






$17.00
MWF Barr/Osco - plate, rear. Fits ME153 manifold. Used on older 153 cid MCM. (110/120hp)









$16.50
99204 Barr/Osco - riser, exhaust, 4" outlet, 10 degree down angle, fits Marine Power & Indmar V8, OSCO casting# 20-0100.









$117.00
CS-58 Barr/Osco - spacer kit, exhaust manifold. (3 pieces, 5/8" thick) Fits V6 GM, allowing for additional clearance of valve cover.









$35.00
984221 OMC - manifold, exhaust, one piece port side, 4.3L Cobra. Starboard side # 984222. NOTE: 1986 to 1990. Complete replacement kit available from OSCO, #OMC643-KIT. Not for Vortec engines.


984221





$559.00
18-1977 Sierra - cover, thermostat housing, fits MCM 225, GM 185R, 228R, 898/198, 228, 260. (Osco# MC55-TSB) 18-1977-1
47441A1


13220

5009 $70.03
18-2849 Sierra - gasket, elbow to exhaust manifold, used with riser kits, MCM# ss to 27-818832, 27-860232, 27-863726. (Osco# 8503-GO). 2 per pkg. 18-2849 27 87105 1





385 $8.51
18-2832 Sierra - gasket, exhaust manifold end cap, MCM, (Osco# 48043) 18-2832 27 48043-1


31490

314 $3.54
18-2844 Sierra - gasket, thermostat cover, w/hole in tab, MCM V8, (Osco# 48818) 18-2844 27 48818-1





331 $1.69
18-1986 Sierra - manifold, exhaust, center rise, misc GM 5.7L V8, OMC & Volvo applications.. Mid 1990's. Sierra Part # Changed. NOTE: End hose connections are forged not threaded, see 18-1986-1 for threaded!!! Osco# 52374, OMC# ss from 914035, Alt# 3851237-4. 18-1986-1
Reorder ! 3852374 See Notes ! 3852374-2 DO NOT See Notes ! See Notes ! 5516 $306.78
18-1903 Sierra - manifold, exhaust, port side, end riser, misc OMC GM V8 305/350. (Osco#2442). SS from 910144. 18-1903

912442




5513 $270.00
18-1950 Sierra - manifold, exhaust, port side, older MCM V8 GM, rear exhaust. (Osco# 7234B). [Consider conversion to center rise manifold # 18-1953, for better performance.] 18-1950-1
7734A2






$414.00
18-1958 Sierra - manifold, exhaust, rear exit, MCM Ford small block V8, port side. (Osco# 5604) 18-1958-1
65604A4






$436.81
18-1902 Sierra - manifold, exhaust, starboard side, end riser, misc OMC GM V8 305/350 (Osco#2441). SS from 909280. 18-1902

912441




5512 $275.68
18-1951 Sierra - manifold, exhaust, starboard side, older MCM V8 GM, rear exhaust. (Osco# 7235B). [Consider conversion to center rise manifold # 18-1953, for better performance.] 18-1951-1
77235A2






$419.19
18-1997 Sierra - manifold, exhaust, universal center rise, GM 283, 305, 307, 350. Use with riser# 18-1999. (Osco# 994), Note: sitting on back shelf w/riser. 18-1997-1







5517 $268.17
18-3584 Sierra - pump, water circulating, Ford, MC 215, 225, 233, 255, 888, Volvo 5.0L & 5.8L. (Osco# CP-FSB)(MES# WP520M) 18-3584
71683A1 982517
3853796-5 15400
ra057004 1652 $171.85
18-3575 Sierra - pump, water circulating, GM inline 4&6 cylinder. MCM# ss from 33957, 37369, 52353, 65142, ss to 814755, 880817, 884727. (Osco# CP-C46) 18-3575
65142A1 984360
3854017 15100

1651 $111.15
18-1999 Sierra - riser, exhaust, 3" outlet, fits Barr CHV-1-83 "Universal Center Rise" exhaust manifold PN 18-1997 or 18-1998. (Osco# 992) 18-1999







5705 $182.11
18-1971 Sierra - riser, exhaust, 3" outlet, MCM log manifold. (Osco# 6351, Barr# MC20-60426P) 18-1971
76351A2


51120


$172.87
18-1976 Sierra - riser, exhaust, 4" outlet, 7 degree, most V6/V8 MCM center rise outlet applications, alt MCM# 807988A2, (Osco# 4354) This has been change to Sierra price. !!!!!!!! 18-1976-1
44354A3 SHIPPED as MCM PART 51140 FROM DIVERSIFIED 5706 $163.68
18-1909-1 Sierra - riser, exhaust, 4" outlet, long bolt mounted, Cobra & Volvo SX stern drive, Osco # 50456, alt# 3857944-7. VPN ss to 3863061. 18-1909-1

913784 3850456 3855270-9 51330


$262.38
18-1935 Sierra - riser, exhaust, AQ V8 Volvo, alt VPN 855384-4. Use with manifold 18-1931. (Osco#56879) 18-1935-1



856891-7 51510


$148.45
18-1972 Sierra - riser, exhaust, fits late model 120/140 GM 4 cylinder engines. (Osco# 6325) 18-1972
76325A2


51130

5703 $230.79
18-1921 Sierra - riser, exhaust, fits OMC end riser manifolds, 305/350 V8 applications. (Osco#9863) 18-1921

909863




5708 $252.27