Page 840 - 2021 Sierra Catalog

822
18-4385
For: Ford 302 (5.0L) CID Eng; 215, 225 & 888 (188 HP) Includes 18-3883 Head Gasket
18-4387
Replaces: 27-801853
For: GM 454 (7.4L) CID Eng; Production Models Oval Port
Includes 18-3877 Head Gasket
18-0465
INTAKE MANIFOLD GASKET SET
Replaces: 27-65184, 27-8M0050224
For: GM 454 CID Engines, 325, 330, 340, 350 HP and 454 Magnums, 7.4L
18-4365
INTAKE MANIFOLD GASKET SET
Replaces: 27-801855
For: GM 454 (7.4L) CID Eng; Production Models Rectangular Port
Includes 18-3877 Head Gasket
18-4388
INTAKE MANIFOLD GASKET SET
Replaces: 27-11977A88, A92
For: GM 262 CID Eng; 175, 185 & 205 HP, 4.3L Includes 18-3879 Head Gasket
18-4389
INTAKE MANIFOLD GASKET SET
Replaces: 27-47453A1
For: All GM 165 HP (S/N 270032 & UP) & Inline 6 cyl. 250 CID
18-1254
VORTEC
HEAD GASKET SET
Replaces: 27-75611A03
For: Small Block GM V8 engines with Vortech heads
18-4392
INTAKE MANIFOLD GASKET SET
Replaces: 27-75611A2, 27-75611A1
For: GM 305 & 350 CID Eng. 898 (198 HP) 200, 228, 230/260 (Inboard) 230, 250, 255, 260, 280 & 5.7L Ski
— CONTAINS —
Part # Description O.E. # Qty.
18-0868 Intake Manifold Gasket 27-17145 1
18-2949 Exhaust Manifold Gasket 27-33395 2
18-2848 Quadrajet Base Gasket 27-52457-2 2
18-3876 Head Gasket 27-75611 2
18-2553 Thermostat Gasket 27-47510 1
18-2844 Thermostat Cover Gasket 27-48818-1 1
18-2554 Thermostat Gasket 27-41812 2
18-2917 Lower Thermostat
Housing Gasket 27-53045-1 1
18-2845 Valve Cover Gasket 27-11999 2
18-0518 Seal 26-34217 16
I/O — MERCRUISER - Gaskets