Page 39 - JML_ManifoldCatalog_Flipbook
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MerCruiser



                              MODEL 330-370, V8 B.B., GM 454/502 CID (1981 & UP)

                   Ref No.      JML No.         OEM No.                          Description                     Qty.
                      1          51240          807078T08     Exhaust Manifold Assembly (Iron Casting)            1
                     2*          21892           22-41622     Plug (Steel)                                        1
                      2          21896             -          Plug (Brass)                                        1
                     3**         33760           27-46820     Gasket-Exhaust Manifold                             1
                     4**         13990         22-806926A1    Hose Fitting with Drain Plug Kit. Contents Ref. 8,9,10  1
                     5**         30240          27-863724     Gasket-Exhaust Manifold-Raw Water Cooling           1
                      6          30220          27-860231     Gasket-Exhaust Manifold-Fresh Water Cooling         1
                      7          32080          27-863726     Gasket-Exhaust Manifold and Spacers                 1
                     8+          13991          22-806926     90 Degree Hose Fitting                              1
                     9+          13992         22-806608A02   Drain Plug Kit (Includes No. 80140)                 1
                     10+         80140           25-45253     O-Ring                                              1
                     11          51110           98504A3      Exhaust Elbow (Iron Casting) 3", 15 Degree          1
                     12          51140          807988A2      Exhaust Elbow (Iron Casting) 4", 7 Degree           1
                     13          22391           16-49545     Stud 3/8 X 1 3/4                                    4
                     14          50300            N/A         Spacer 3" (Iron Casting)                            1
                     15          50600            N/A         Spacer 6" (Iron Casting)                            1
                     16          22481           16-97520     Stud (3/8 X 5) Use With 3" Elbow                    4
                     16          22474           16-11375     Stud (3/8 X 9 1/2) Use With 4" Elbow                4
                     17*         21493           13-35048     Lockwasher                                          4
                     18          21248           11-46335     Flange Serrated Nut                                 4
                     19          21893          22-32802-2    Plug                                                1
                     20          22381           10-43749     Screw - Steel Zinc Plated                           1
                     21*         21889             -          Plug (Steel)                                        1
                     21          22379           22-73379     Plug (Brass)                                        1
                     22          21755           10-37612     Screw                                               8
                     23          22355           10-12244     Screw                                               4
                     24          89120          32-4434001    Exhaust Bellow Upper 4” (Fits No. 51140 or No. 51145)  1
                     25          50760           44267T       Elbow Tube                                          1
                     26          89130          32-14358T     Exhaust Bellow Lower 4” (Fits No. 51140 or No. 51145)  1
                     27          01100         54-815504372   Hose Clamp                                          4
                     28          89070           70981A3      Exhaust Bellow Upper 3” (Fits No 51110 or No. 51115)  1
                     29          89090          32-90949T     Exhaust Bellow Lower 3” (Fits No. 51110 or No. 51115)  1
                     30          01056         54-815504456   Hose Clamp                                          4
                     31          12693            N/A         Aluminum Pencil Anode Kit                           AR
                     32-         12694            N/A         Aluminum Anode                                      1
                     33-         21895            N/A         Plug                                                1
                     34          13984          22-866725     Straight Fitting                                    AR
                     35          13960            N/A         Elbow Fitting                                       AR
                     36          53040            N/A         Manifold Adapter Plate Kit for Ford 460 to GM 454   1













                  *    Included with Exhaust Elbow 51140
                  **  Included with Manifold 51240
                  +  Included in Kit No. 13990
                  -   Included in Kit No. 12691                                                    AR = As Required

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