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Items Per Page:
29 Results (Viewing 1 - 12 of 29)
Manifold
Your Price:
$394.99

Manifold

676-18-1958-1

Key Features:

  • Supplied with mounting package
  • Port Side

Additional Details:

  • Fits: MCM/MIE Ford V-8 engines (1977 & older)

Use With:

Interchanges/Replaces

Barr

  • MC-1-65604

GLM

  • 51250

Mallory

  • 9-40502

Mercruiser Stern Drive

  • 54100A1
  • 54100A5
  • 65604A12
  • 65604A4

Osco

  • 5604

List of Containing Parts

Sierra Item # OE/Competitor # Quantity Description Image Comments
18-4263Chrysler/Force/US Marine
  • 22-328021
  • 22-328022
  • F700633
  • FI5810151
GLM
  • 21893
Mercruiser Stern Drive
  • 22-32802
  • 22-328021
  • 22-328022
  • 22-841908
Mercury Marine
  • 22-30139
  • 22-32802
  • 22-328021
  • 22-328022
1Pipe Plug N/A
18-0183-1Barr
  • FM 47 0000
  • MC47-27-73866
GLM
  • 33790
Mallory
  • 9-61420
Mercruiser Stern Drive
  • 27-54566
  • 27-73866
OMC Stern Drive
  • 3852455
  • 3853742
  • 908717
  • 916262
Osco
  • FL-GH
Pleasurecraft
  • RM0007
Volvo Penta
  • 3852455
  • 3853742
1Exhaust Manifold Gasket N/A
18-2832-1Barr
  • MC47-27-48043
GLM
  • 31490
Mallory
  • 9-61424
Mercruiser Stern Drive
  • 27-48043
  • 27-480431
Osco
  • 48043
2Manifold End Cap Gasket N/A
18-2833Barr
  • MC472799777
GLM
  • 31520
Mallory
  • 9-61407
Mercruiser Stern Drive
  • 27-52076
  • 27-99777
  • 27-997771
  • 27-997772
  • 27-99777B2
Osco
  • 52076
1Exhaust Elbow Gasket N/A
Manifold
Your Price:
$362.99

Manifold

676-18-1902

Key Features:

  • GM Small Block (V8) 305-350 cu.in. (1979-1989) (Starboard)
  • V-8 Starboard Side

Use With:

Interchanges/Replaces

Barr

  • OMC-1-912441

GLM

  • 51410

Mallory

  • 9-40602

OMC Stern Drive

  • 912441

Osco

  • 2441

List of Containing Parts

Sierra Item # OE/Competitor # Quantity Description Image Comments
18-0943-2Barr
  • OMC 47 909786
GLM
  • 33810
Mallory
  • 9-61452
OMC Inboard
  • 909786
OMC Stern Drive
  • 351325
  • 3850496
  • 909786
  • 913783
Osco
  • 9863-G
Volvo Penta
  • 3850496
  • 3863191
1Exhaust Elbow Gasket N/A
18-2949Barr
  • CHV-47-000
  • MC 47 27 33395
Crusader
  • 96306
GLM
  • 31100
Mercruiser Stern Drive
  • 27-33395
  • 27-33395B
Osco
  • CV-GH
Volvo Penta
  • 835966
  • 856034
1Exhaust Manifold Gasket N/A
18-710-20-2Mercruiser Stern Drive
  • 54-32780
  • 54-32880
  • 54-815504220
1Hose Clamp-13/16 TO 1-3/4 N/A
18-0550GLM
  • 22280
Mallory
  • 9-42721
OMC Inboard
  • 909830
OMC Stern Drive
  • 764799
  • 909830
1Plug Off Cap N/A
Manifold
Your Price:
$335.99

Manifold

676-18-1932

Additional Details:

  • Material: CAST IRON
  • For: Port & Starboard

Use With:

Interchanges/Replaces

GLM

  • 51640

HGE

  • 6894

Volvo Penta

  • 856894

List of Containing Parts

Sierra Item # OE/Competitor # Quantity Description Image Comments
18-2971-1Barr
  • VO47-835908
GLM
  • 35080
Mallory
  • 9-65800
Osco
  • 35908
Volvo Penta
  • 835908
  • 856039
  • 857618
1Exhaust Manifold Gasket N/A
18-2909Barr
  • MC47-27-99757
Crusader
  • 97498
GLM
  • 32170
Mallory
  • 9-61421
Mercruiser Stern Drive
  • 27-99757
OMC Stern Drive
  • 3853412
  • 910157
  • 915025
Osco
  • CS-GH
Volvo Penta
  • 3853412
  • 856116
Yamaha Sterndrive
  • YSC-12190-00-AC
1Exhaust Manifold Gasket N/A
Manifold Spacer
Your Price:
$192.99

Manifold Spacer

676-18-1949

Key Features:

  • Ford small block V8 302-351 cu.in.
  • GM Big Block V8 454 cu.in.
  • GM Small Block 305-350 cu.in

Additional Details:

  • Size: 3"

Use With:

Interchanges/Replaces

Barr

  • CM 20-0097

GLM

  • 56030

Mallory

  • 9-40130

Osco

  • 994-S3
Block Off Plate
Your Price:
$14.99

Block Off Plate

676-18-4008

Additional Details:

  • Fits: MCM 898, 228, 250, 260 & Ford V-8 engines

Use With:

Interchanges/Replaces

Barr

  • MC-20-60207

GLM

  • 50006

Mallory

  • 9-40540

Mercruiser Stern Drive

  • 60207

Osco

  • 60207
Manifold End Plate
Your Price:
$69.99

Manifold End Plate

676-18-4009

Use With:

Interchanges/Replaces

Barr

  • 160252

GLM

  • 51010

Mallory

  • 9-40541

Mercruiser Stern Drive

  • 52999
  • 60252
  • 60252A2

Osco

  • 60252
Riser w/ Exhaust Tube
Your Price:
$299.99

Riser w/ Exhaust Tube

676-18-1975-1

Additional Details:

  • Fits: Late model Mercruiser 4 cylinder engines
  • Fits: MCM 2.5L & 3.0L/LX (1982 & newer)

Use With:

Interchanges/Replaces

Barr

  • MC-20-12076

GLM

  • 51160

Mallory

  • 9-40555

Marine Power

  • 6000-33A

Mercruiser Stern Drive

  • 12076A1
  • 12076A2
  • 95864A2

Osco

  • 2076

List of Containing Parts

Sierra Item # OE/Competitor # Quantity Description Image Comments
18-2748GLM
  • 89120
Mallory
  • 9-72805
Mercruiser Stern Drive
  • 32-44348
  • 32-44348001
  • 32-44348T
1Exhaust Boot N/A
18-2833Barr
  • MC472799777
GLM
  • 31520
Mallory
  • 9-61407
Mercruiser Stern Drive
  • 27-52076
  • 27-99777
  • 27-997771
  • 27-997772
  • 27-99777B2
Osco
  • 52076
1Exhaust Elbow Gasket N/A
18-710-72-2Mercruiser Stern Drive
  • 54-31765
  • 54-815504372
4Hose Clamp-4-1/16 TO 5 N/A
18-8551GLM
  • 22445
Mallory
  • 9-40585
Osco
  • 2076-MK
1Hardware Kit [Exhaust Elbow Bolts]
Elbow
Your Price:
$251.99

Elbow

676-18-1922

Additional Details:

  • Fits: Most 140hp 3.0L (181 CID)

Use With:

Interchanges/Replaces

GLM

  • 51340

Mallory

  • 9-40611

OMC Stern Drive

  • 0740120
  • 3850799
  • 910380
  • 916096
  • 987784

Osco

  • 188
  • 9863T

Volvo Penta

  • 3850799
Exhaust Manifold Mounting Kit
Your Price:
$64.99

Exhaust Manifold Mounting Kit

676-18-8502

Key Features:

  • OMC GM Small block V8 305-350 cu. in. (1979-89)
  • OMC/Volvo GM Small Block 305-350 cu. in.

Use With:

Interchanges/Replaces

Mallory

  • 9-40671

Osco

  • 244-MK

List of Containing Parts

Sierra Item # OE/Competitor # Quantity Description Image Comments
18-2949Barr
  • CHV-47-000
  • MC 47 27 33395
Crusader
  • 96306
GLM
  • 31100
Mercruiser Stern Drive
  • 27-33395
  • 27-33395B
Osco
  • CV-GH
Volvo Penta
  • 835966
  • 856034
1Exhaust Manifold Gasket N/A
18-3720GLM
  • 21160
Mallory
  • 9-72002
  • 9-72002-10
Mercruiser Stern Drive
  • 11-34932
  • 11-82671013
Mercury Marine
  • 11-34932
  • 11-82671013
6Stainless Steel Locknut
Exhaust Manifold Mounting Kit
Your Price:
$29.99

Exhaust Manifold Mounting Kit

676-18-8503

Additional Details:

  • For: Pleasurecraft Ford Small Block V8 302 and 351 cu.in.

Use With:

Interchanges/Replaces

Mallory

  • 9-40870

Osco

  • 28001-MK

List of Containing Parts

Sierra Item # OE/Competitor # Quantity Description Image Comments
18-0183-1Barr
  • FM 47 0000
  • MC47-27-73866
GLM
  • 33790
Mallory
  • 9-61420
Mercruiser Stern Drive
  • 27-54566
  • 27-73866
OMC Stern Drive
  • 3852455
  • 3853742
  • 908717
  • 916262
Osco
  • FL-GH
Pleasurecraft
  • RM0007
Volvo Penta
  • 3852455
  • 3853742
1Exhaust Manifold Gasket N/A
Exhaust Manifold Mounting Gasket
Your Price:
$17.99

Exhaust Manifold Mounting Gasket

676-18-0418

Additional Details:

  • Fits: MCM/MIE GM V-8 (454, 482, 496, 502 & 540 cid) engines
  • Fits: Volvo 7.4L, GL, GI, GSI, and 8.2L, GL, GI, GSI

Use With:

Interchanges/Replaces

Barr

  • CHVA470000
  • MC47-27-46820

Crusader

  • 96653

GLM

  • 33760

Mallory

  • 9-61400

Mercruiser Stern Drive

  • 27-46820

OMC Inboard

  • 909613

OMC Stern Drive

  • 3852472
  • 909613

Osco

  • CW-GH

Volvo Penta

  • 3852472
Exhaust Manifold Gasket
Your Price:
$28.99

Exhaust Manifold Gasket

676-18-2949

Additional Details:

  • Fits: MCM/MIE GM V-8 (283, 305, 350 & 377 cid) engines

Use With:

Interchanges/Replaces

Barr

  • CHV-47-000
  • MC 47 27 33395

Crusader

  • 96306

GLM

  • 31100

Mercruiser Stern Drive

  • 27-33395
  • 27-33395B

Osco

  • CV-GH

Volvo Penta

  • 835966
  • 856034
29 Results (Viewing 1 - 12 of 29)
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