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MerCruiser Manifolds
GLM Products, Inc.

GM V6 & V8 S.B. DRY JOINT ALTERNATIVE (0M SN#’s & UP) TOC
Ref No. GLM No. OEM No. Description Qty.
1 51148 - Exhaust Elbow - Dry Joint (Iron Casting) 1 Manifolds-Merc.
2 21889 - Plug (Steel) 1
3 22398 10-865982057 Screw - Hex Flanged Head 4
4 21493 13-35048 Lockwasher 4
5 21896 22-42861-1 Plug (Brass) 3
6* 32080 27-863726 Gasket - Manifold / Spacers 1 Manifolds-OMC
7*+ - 30240 27-863724 Gasket - Manifold (Raw Water Cooling) 1
8* 30220 27-860231 Gasket - Manifold (Fresh Water Cooling) 1
9* 21248 11-49838 Nut 4
10* 22466 N/A Stud 4
11* 50300 N/A Spacer 3” (Iron Casting) 1 Manifolds-Volvo
12 22355 10-12244 Screw 2
13 21893 22-32802-2 Plug 1
14 50600 N/A Spacer 6” (Iron Casting) 1
15 22391 16-49645 Stud (Steel) 4
16+ 32170 27-99757 Gasket - Exhaust Manifold V6 1 Manifolds-Barr
17 51220 99746A17 Exhaust Manifold Assembly - V6 1
18 - 31100 27-33395 Gasket - Exhaust Manifold V8 1
19 51230 860246Q11 Exhaust Manifold Assembly - V8 1
20 21745 10-53728 Screw 4
21+ - 13990 22-806926A1 Hose Fitting w/ Drain Plug Kit 1 MerCruiser
22+ - 13991 22-862210A01 90 Degree Hose Fitting 1
23+ - 80140 25-45253 O-Ring 1
24+ - 13992 22-806608A02 Drain Plug Kit 1
25 21899 22-37372 Plug 1 Merc / Mar / For
26 13960 N/A Elbow Fitting AR
27 13984 22-866725 Straight Fitting AR
28 50350 N/A 3 Inch Spacer Kit
OMC / Volvo

Johnson / Evin

Yamaha

Index / X-Ref.

* Included in Kit No. 50350 Warranty
+ Included in Manifold No. 51220
- Included in Manifold No. 51230 AR = As Required
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