Exhaust Manifold Gasket Set 

Additional Details:

  • For: GM 454, 525 (7.4L & 8.2L)

Interchanges/Replaces

GLM

  • 39890

List of Containing Parts

Sierra Item # OE/Competitor # Quantity Description Image Comments
18-0418Barr
  • 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
2Exhaust Manifold Mounting Gasket N/A
18-0897Barr
  • MC 20 99208
  • MC47-27-41813
GLM
  • 30240
Mallory
  • 9-61413
Mercruiser Stern Drive
  • 27-41813
  • 27-860233
  • 27-863724
Osco
  • 8503-GR
2Exhaust Elbow Gasket N/A
MSRP: $48.99
Your Price: $40.99
You Save: 16% off MSRP!

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