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MerCruiser 7.4L 454/502 V8 Exhaust / Cooling System See reference picture below! |
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Reference Number
See reference picture below |
Type | OE# | Part# | |
1 | Exhaust riser elbow 4" | 807988A 2 | 51140 | Sorry, no longer available |
2 | Riser gasket full flow | 27-863726 | 69726 | Sorry, no longer available |
3 | Riser gasket restrictor | 27-863724 | 69724 | Sorry, no longer available |
4 | Riser gasket block off, used only with closed cooling | 27-863725 1 | 69725 | Sorry, no longer available |
5 | 3" Exh riser block Kit | 807476A 6 / 93320A 5 | 18-1908k | Sorry, no longer available |
5 | 3" Riser block Kit | - | 50310 | Sorry, no longer available |
5 | 6" Riser block Kit | - | 50610 | Sorry, no longer available |
6 | Exhaust manifold | 807078A 6 | 51240 | Sorry, no longer available |
7 | Manifold gasket | 27-46820 | 69820 | |
8 | Exhaust hose upper 4" x 4", clamps not included | 32-44348T | 64348 | |
9 | Exhaust hose to pipe lower 4", clamps not included, elbow to y pipe | 32-14358T | 64358 | |
10 | Exhaust flapper pair 4" | 807166A 3 | 65166 | |
11 | Circ Pump | 850454 1 | 64454 | |
12 | Pump gasket | 27-49110 | 69110 | |
13 | Gasket | 25-41812 | 63812 | |
14 | Cork gasket | 27-47510 | 63510 | |
15 | Thermostat 140 degree | 807252T 1 | 64252-1 | |
15 | Thermostat 160 degree | 807252T 2 | 64252-2 | |
16 | Base gasket | 27-53045 1 | 63045 | |
17 | Top gasket | 27-331799 2 | 63179 | |
18 | Sleeve | 23-806922 | 806922 | |
19 | Thermostat O-ring | 25-30224 | 63244 | |
20 | Temp sender | 805218T | 63752 | |
21 | Temp sender 3/8" | 97257A 1 | 64257 | |
not shown | V-belt 46" with 7" pulley | 57-48120A 1 | 18-15460 | |
not shown | V-belt 44" use with 5-1/2" Pulley | 57-49213A 1 | 18-15470 | |
not shown | Power steering v belt use with 5-1/2" Pulley 52" | 57-37619T | 18-15520 | |
not shown | T-stat housing Kit | 90736A24 | 13221 | |
not shown | 6" Exhaust riser Kit | 93322A12 | 50610 | |
not shown | Exhaust pipe gasket | 27-848254 | 39254 | |
not shown | Exhaust pipe gasket | 27-848147 | 69147 | |
not shown | Exhaust header gasket | 27-841234 | 39234 | |
not shown | Thermostat Kit 140 degree | 807252K 1 | 64252K1 | |
not shown | Thermostat Kit 160 degree | 807252K 2 | 64252k2 |