GLM Marine Catalog - Gaskets, O-Rings, Seals & Fittings

Thunderbolt IV & V Cap & Rotor Kit (V8) replaces MerCruiser part # 805759T3

Valve Cover Gaskets (Priced Each, must be bought in pairs) replaces MerCruiser part # 27-11988

For GM 262 CID 4.3L

Valve Cover Gaskets replaces MerCruiser par # 27-49936

For GM 250 CID 4.1L

Valve Cover Gaskets replaces MerCruiser part # 27-56173

For Ford 302/351 CID 5.0L/5.8L

Valve Cover Gaskets (2 per pack) replaces MerCruiser part # 27-73666

For Merc 224 CID 3.7L

Valve Cover Gaskets (5 per pack) replaces MerCruiser part # 27-806452

For GM 153/181 CID 2.5/3.0L

Valve Cover Gaskets replaces MerCruiser part # 27-827154

For GM 4.3L/LX/LH/LXH with Plastic Valve Cover (1996 & Up)

Valve Cover Gaskets replaces MerCruiser part # 27-851040

For GM 3.0L (1998 & Up)

Water Jacket Cover Gasket replaces Mercury/Mariner/Force part # 27-43005-7

For 65 Jet, 75, 90 HP 3-Cyl.

Water Jacket Cover Gasket replaces Mercury/Mariner/Force part # 27-4A328-4

For 80 Jet, 100, 115, 125 HP 4-Cyl.

Water Jacket Cover Gasket replaces Mercury/Mariner/Force part # 27-72142-1

For 90, 115 HP L6-Cyl

Water Jacket Cover Gasket (5 per pack) replaces Mercury/Mariner/Force part # 27-73665

For 75, 80, 85 HP L4-Cyl.