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Parts for Mercury Marine Exhaust / Cooling Systems & Extension Kits Exhaust Flange Cover Kit (3 & 4 Inch)

Engine Diagram

Ref. No. Part No. Description Manufacturer List Price Your Price Order
#1 34765A 1 COVER KIT, (3 Inch), Exhaust Flange (1 required per assembly)
FLAPPERS-3IN-2PC  O - Replaced by -34765A 2 34765A 1
34765A 1This part has been superseded. FLAPPERS-3IN-2PC O - Replaced by -34765A 2
(more info)
    UnavailableUnavailable Parts
FLAPPER-3IN-1PC 34765A 2 34765A 2
34765A 2OEM Part 34765A 2 - FLAPPER-3IN-1PC (more info) About Mercury Marine $32.50 $32.50 Add to shopping cart
Available to order:
Usually ships
within 8 days
FLAPPER ASSY-3 IN      34765Q02  
34765Q02OEM Part 34765Q02 - Flapper Assembly -3 In (more info) About Mercury Marine $31.67 $31.67 Add to shopping cart
Available to order:
Usually ships
within 8 days
#1 12644A 1 COVER KIT, (4 Inch), Exhaust Flange (1 required per assembly)
COVER KIT (4 Inch 12644A 1 12644A 1
12644A 1OEM Part 12644A 1 - Flapper Kit -4 In (more info) About Mercury Marine $33.67 $33.67 Add to shopping cart
Available to order:
Usually ships
within 8 days
#2 54-815504256 CLAMP, Worm Gear, Hose (2 required per assembly) (Use on 3 Inch Cover Kit)
CLAMP Worm Gear 54-815504256  
54-815504256OEM Part 54-815504256 - Clamp (more info) About Mercury Marine $11.20 $11.20 Add to shopping cart
Available to order:
Usually ships
within 8 days
#2 54-815504372 CLAMP, Worm Gear, Hose (2 required per assembly) (Use on 4 Inch Cover Kit)
CLAMP Worm Gear 54-815504372 54-815504372
54-815504372OEM Part 54-815504372 - Clamp (more info) About Mercury Marine $11.30 $11.30 Add to shopping cart
8 in stock. Explain stock levels
Hose Clamp 18-7316
18-7316OEM Match 18-7316 - Hose Clamps, 72 (more info) About Sierra Marine $9.26 $7.11 Add to shopping cart
5 in stock. Explain stock levels