OMC Sterndrive/Cobra Head Gaskets

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Head Gasket - Sierra
Your Price: $19.99
Save: $3.08
(13% Off $23.07)
Part # 18-2946
SHIPS TOMORROW!* if ordered in 20 hrs 55 mins. Replaces OEM part #
  • CHRIS-CRAFT 16.50-00204
  • MERCURY MARINE 27-52364
  • OMC 3853336
  • OMC 908611
  • OMC 913274
  • OMC 914812
  • VOLVO 3853336
  • VOLVO 908611
  • VOLVO 3853336
For: GM 181 ( 3.0L ) CID Engine
Head Gasket - Sierra
Your Price: $38.99
Save: $7.54
(16% Off $46.53)
Part # 18-3873
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Replaces OEM part #
  • CRUSADER 31004
  • MERCURY MARINE 27-811207
  • OMC 915927
  • PCM RM0226
  • VOLVO 3853587
For: GM 502 CID
Fits: 7.4L GL, GI, GSI, 8.2L GL
Head Gasket for Mercruiser 27-811546, OMC Sterndrive/Cobra 3853811 3853511, Crusader 31137 - Sierra
Your Price: $87.99
Save: $15.17
(14% Off $103.16)
Part # 18-3874
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Replaces OEM part #
  • CRUSADER 31137
  • MERCURY MARINE 27-811546
  • OMC 3853511
For: GM ( 8.2L ) 502 CID / 7.4L
For: Mercruiser ( 8.2L ) 502 CID / 7.4L
For: Volvo 5.0L, FL, FI: 5.8L, FL, FI, F, SI
For: OMC 7.4L, 8.2L
Head Gasket - Sierra
Your Price: $30.99
Save: $5.02
(13% Off $36.01)
Part # 18-3876
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Replaces OEM part #
  • GM 6269577
  • CHRIS-CRAFT 16.50-00250
  • CRUSADER 7057500
  • MERCURY MARINE 27-75611
  • OMC 313201
  • OMC 3853380
  • OMC 910089
  • OMC 914971
  • VOLVO 3853380
  • VOLVO 841207-4
  • VOLVO 856474-2
  • VOLVO 914971
For: GM 305 ( 5.0L ) 350 ( 5.7 ) CID Engine
For: OMC 5.0L, 5.7L
Head Gasket - Sierra
Your Price: $42.99
Save: $8.50
(16% Off $51.49)
Part # 18-3877
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Replaces OEM part #
  • CHRIS-CRAFT 16.50-00259
  • CRUSADER 30266
  • GM 6258714
  • MERCURY MARINE 27-13687
  • OMC 914849
For: GM 454 ( 7.4L ) CID Engine
For: OMC 7.4L
Head Gasket - Sierra
Your Price: $30.99
Save: $4.79
(13% Off $35.78)
Part # 18-3878
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Replaces OEM part #
  • CHRYSLER INBOARD 4417375
  • MERCURY MARINE 27-13709T
  • OMC 912766
For: Mercruiser 224 ( 3.7L ) CID Engine Model 470
Head Gasket - Sierra
Your Price: $28.99
Save: $6.00
(17% Off $34.99)
Part # 18-3879
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Replaces OEM part #
  • CRUSADER 33408
  • MERCURY MARINE 27-11986
  • MERCURY MARINE 27-816460
  • OMC 3854299
  • OMC 910833
  • OMC 912227
  • OMC 914930
  • VOLVO 3854299
  • VOLVO 912227
  • VOLVO 914930
For: GM 262 ( 4.3L ) CID Engine
For: OMC 4.3L
Head Gasket - Sierra
Your Price: $42.99
Save: $7.00
(14% Off $49.99)
Part # 18-3880
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Replaces OEM part #
  • MERCURY MARINE 27-810841
  • MERCURY MARINE 27-34273
  • OMC 311210
For: GM 153 ( 2.5L ), ( 3.0L) CID Engine
For: OMC 2.5L, 3.0L
Head Gasket - Sierra
Your Price: $47.99
Save: $9.56
(16% Off $57.55)
Part # 18-3881
SHIPS TOMORROW!* if ordered in 20 hrs 55 mins. Replaces OEM part #
  • MERCURY MARINE 27-72622
  • MERCURY MARINE 27-47453
  • OMC 908237
For: GM 250 ( 4.1L ) CID ( 6 cyl ) Engine

Head Gasket - Sierra
Your Price: $78.99
Save: $14.50
(15% Off $93.49)
Part # 18-3883
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Replaces OEM part #
  • PLEASURECRAFT RM0032
  • MERCURY MARINE 27-75647
  • OMC 3853732, 910285, 910291, 916221
  • VOLVO 3853732, 910285, 910291, 916221
For: Ford 302 ( 5.0L ) 351 ( 5.8L ) CID Engine
For: OMC 5.0L, 5.8L
Head Gasket - Sierra
Your Price: $58.99
Save: $11.18
(15% Off $70.17)
Part # 18-3887
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Replaces OEM part #
  • CRUSADER 31136
  • MERCURY MARINE 27-850470
  • OMC 915325
  • VOLVO 3853511
For: GM ( 7.4L ) 454 CID Gen V
For: OMC 7.4L
Mallory Gasket, Cylinder head 9-63705
Mallory Gasket, Cylinder head 9-63705
Spring Sale Price: $43.19
Save: $14.36
(24% Off $57.55)
Part # 9-63705
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Replaces GLM #:36140
Replaces Original Equipment Manufacturer(OEM):Mercruiser
Replaces Original Equipment Manufacturer # (OEM #):27-47453
Fits Application:inline 6 cyl.
Mallory Gasket, Cylinder head 9-63704
Mallory Gasket, Cylinder head 9-63704
Spring Sale Price: $38.69
Save: $11.30
(22% Off $49.99)
Part # 9-63704
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Replaces Original Equipment Manufacturer(OEM):MERCRUISER
Replaces Original Equipment Manufacturer # (OEM #):27-34273
Mallory Gasket, Cylinder Head 9-63703
Mallory Gasket, Cylinder Head 9-63703
Spring Sale Price: $79.19
Save: $23.97
(23% Off $103.16)
Part # 9-63703
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Replaces Original Equipment Manufacturer(OEM):Mercruiser
Replaces Original Equipment Manufacturer # (OEM #):27-811546
Fits Application:502 cid 8.2L
Mallory Gasket, Cylinder Head 9-63702
Mallory Gasket, Cylinder Head 9-63702
Spring Sale Price: $27.89
Save: $7.89
(22% Off $35.78)
Part # 9-63702
SHIPS TOMORROW!* if ordered in 20 hrs 55 mins.
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Replaces GLM #:36120
Replaces Original Equipment Manufacturer(OEM):Mercruiser
Replaces Original Equipment Manufacturer # (OEM #):27-13709T
Fits Application:224 cid 3.7L
Mallory Gasket, Cylinder Head 9-63701
Mallory Gasket, Cylinder Head 9-63701
Spring Sale Price: $38.69
Save: $12.80
(24% Off $51.49)
Part # 9-63701
SHIPS TOMORROW!* if ordered in 20 hrs 55 mins.
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Replaces GLM #:36110
Replaces Original Equipment Manufacturer(OEM):Mercruiser
Replaces Original Equipment Manufacturer # (OEM #):27-13687
Fits Application:454 7.4L
Mallory Gasket, Cylinder head 9-63700
Mallory Gasket, Cylinder head 9-63700
Spring Sale Price: $17.99
Save: $5.08
(22% Off $23.07)
Part # 9-63700
SHIPS TOMORROW!* if ordered in 20 hrs 55 mins.
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Replaces GLM #:36150
Replaces Original Equipment Manufacturer(OEM):Merc / OMC / Volvo / Chris craft
Replaces Original Equipment Manufacturer # (OEM #):27-52364 / 3853336
Fits Application:181 cid 3.0L
Mallory Gasket, Cylinder Head 9-63707
Spring Sale Price: $26.09
Save: $8.90
(25% Off $34.99)
Part # 9-63707
SHIPS TOMORROW!* if ordered in 20 hrs 55 mins.
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Replaces GLM #:36100
Replaces Original Equipment Manufacturer(OEM):Mercruiser, OMC, Volvo
Replaces Original Equipment Manufacturer # (OEM #):27-816460, 3854299
Fits Application:4.3L 262 cid
Mallory Gasket, Cylinder Head 9-63711
Spring Sale Price: $27.89
Save: $7.89
(22% Off $35.78)
Part # 9-63711
SHIPS TOMORROW!* if ordered in 20 hrs 55 mins.
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Replaces GLM #:36120
Replaces Original Equipment Manufacturer(OEM):Mercruiser/OMC/Chrysler
Replaces Original Equipment Manufacturer # (OEM #):27-13709T / 912766 / 4417375
Fits Application:3.7L 4 cyl, & Ford 460 CID
Mallory Gasket, Cylinder Head 9-63706
Spring Sale Price: $27.89
Save: $8.12
(22% Off $36.01)
Part # 9-63706
SHIPS TOMORROW!* if ordered in 20 hrs 55 mins.
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Replaces GLM #:36160
Replaces Original Equipment Manufacturer(OEM):Merc / OMC / Volvo / more
Replaces Original Equipment Manufacturer # (OEM #):27-75611, 3853380
Fits Application:5.0L, 5.7L, 305/350 cid
Mallory Gasket, Cylinder Head 9-63708
Spring Sale Price: $71.09 (Out of stock)
Save: $22.40
(23% Off $93.49)
Part # 9-63708
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Replaces GLM #:36170
Replaces Original Equipment Manufacturer(OEM):Mercruiser/OMC/Volvo
Replaces Original Equipment Manufacturer # (OEM #):27-75647/3853732
Fits Application:MCM/MIE Ford V-8 engines 1971-77
Cylinder Head 18-4503 - Sierra
Your Price: $1590.66
Save: $345.13
(17% Off $1935.79)
Part # 18-4503
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  • Cast Iron cylinder heads sold in pairs only
  • OE look
  • Corrosion resistance heavy-duty cast iron castings suitable for saltwater usage
 
Cylinder Head 18-4504 - Sierra
Your Price: $2819.54
Save: $474.14
(14% Off $3293.68)
Part # 18-4504
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  • Aluminum cylinder heads sold in pairs only or 454 & 502 cu.In big-block GM applications.
  • Custom engraved with Sierra High-Performance logo
  • 320 cc intake runner/119cc exhaust runner
  • 2.25 intake/1.88 exhaust stainless steel valves
  • 5 angle valve seat cut
  • Up to 65HP increase over OE cylinder heads
  • Suitable for use on Mark IV, Gen V, & Gen VI GM blocks. Must use correct corresponding head gaskets
  • Std. BBC 7/16" rocker studs and 3/8" diameter pushrod guideplates
  • Rectangle intake ports
  • Use on factory non-adjustable valvetrain applications require adjustable rocker arm assemblies such as Sierra's 18-4507
  • Use Sierra 18-4506 guide plates to utilize factory 5/16" pushrods
Head Bolt Kit 18-4508 - Sierra
Your Price: $151.54
Save: $36.24
(19% Off $187.78)
Part # 18-4508
SHIPS TOMORROW!* if ordered in 20 hrs 55 mins.
Hurry! Only 1 left in stock
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High performance head bolt kit-small block GM
Sierra
Average Customer Review for Head Gasket - Sierra
Based On 1 Review
head gasket by Jim - Sykesville, MarylandMay 26, 2013
Perfect-good price.
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Average Customer Review for Head Gasket - Sierra
Based On 1 Review
Great quality by Andrew - Johnstown, PennsylvaniaJuly 16, 2012
Product was made of great quality and fit perfectly thanks again!
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Enjoy Extra Discounts 5-20% Off During the SPRING SAVINGS SALE!
Great Boating Days are Ahead!
Enjoy Extra Discounts 5-20% Off During the SPRING SAVINGS SALE!