620-32947 Closed Sealing Tube for LS Exhaust Manifolds. Used in Closed Cooling applications.
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620-32496 Exhaust Gaskets for LS Marine Aluminum Exhaust Manifold System
Replacement Exhaust Gaskets for the 620-32940 or 620-32942 LS Exhaust Systems or IMCO LS Exhaust Systems. Sold in pairs for one engine.
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620-38127 Add an inlet with a drain provison with this fitting. Fits 3/4" NPT port. 1" Hose barb. See related parts for drain plug sold separately. GLM 13991, Mercruiser 22-862210A01.
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620-32943 Open Sealing Tube for LS Exhaust Manifolds.
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620-32494 Replacement Riser Gasket for LS Marine Aluminum Exhaust Manifold System
Replacement Riser Gasket for the 620-32940 or 620-32942 LS Exhaust Systems or IMCO LS Exhaust Systems.
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620-38125 This add-on anti-corrosion kit fits Hardin Marine Seaward Series Exhaust Systems or any other aluminum manifold with a 3/4" NPT port.
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620-38050 This oil filter bracket fits Hardin Marine Seaward Series Exhaust Systems.
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620-38051 This Shift / EFI bracket fits Hardin Marine Seaward Series Exhaust Systems. Can be used for either application.
NOTE: If using with a riser mounted O2 Sensor, modification to bracket will be required or O2 sensor moved inboard.
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620-32492 Shift Bracket for LS Marine Aluminum Exhaust Manifold System
Add an Shift bracket to the 620-32940 or 620-32942 LS Exhaust Systems or IMCO LS Exhaust Systems.
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421-02-6187 Stainless Mercury Shift or Electrical Bracket. Fits Imco Powerflow risers. Use to retain stock Mercruiser shift or ECM modules in their stock locations
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620-38130 Tee fitting. 3/4" NPT port. 1" Hose barbs. Typically used in SBC Dry Joint Seaward Exhaust applications.
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