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Parts for MerCruiser Race Engine and Drive 500 EFI Exhaust Header (Design I) 90 Deg, 1 Inch Water Outlet

Engine Diagram

Ref. No. Part No. Description Manufacturer List Price Your Price Order
#1 848731A 2 HEADER ASSEMBLY, Exhaust, Port (1 required per assembly)
HEADER ASSY-PORT  O - Replaced by -8M0084515 848731A 2
848731A 2This part has been superseded. HEADER ASSY-PORT O - Replaced by -8M0084515
(more info)
    UnavailableUnavailable Parts
HEADER ASSY-PORT 8M0084515  
8M0084515OEM Part 8M0084515 - Header Assembly - Port (more info) About Mercury Marine $3,120.03 $3,120.03 Add to shopping cart
Available to order:
Usually ships
within 8 days
#1 848736A 2 HEADER ASSEMBLY, Exhaust, Starboard (1 required per assembly)
HEADER ASSY-STBD  O - Replaced by -8M0101615 848736A 2
848736A 2This part has been superseded. HEADER ASSY-STBD O - Replaced by -8M0101615
(more info)
    UnavailableUnavailable Parts
HEADER ASSY-STBD  O  
8M0101615 HEADER ASSY-STBD O
(more info)
    UnavailableUnavailable Parts
#2 27-841234 GASKET, Exhaust Header (2 required per assembly)
GASKET Note: must be ordered in multiples of 2 27-841234 27-841234
27-841234OEM Part 27-841234 - Gasket - Priced Individually (more info) About Mercury Marine $51.16 $51.16 Add to shopping cart
Available to order:
Usually ships
within 8 days
#3 10-821131 SCREW, (.375-16 x 1.00) (16 required per assembly)
SCREW Note: must be ordered in multiples of 2 10-821131 10-821131
10-821131OEM Part 10-821131 - Screw - Priced Individually (more info) About Mercury Marine $6.10 $6.10 Add to shopping cart
Available to order:
Usually ships
within 8 days
#4 848739A 1 TAILPIPE ASSEMBLY, Port - Bravo Models (1 required per assembly)
TAILPIPE ASY-PORT O NLA  
848739A 1 TAILPIPE ASY-PORT O NLA
(more info)
    UnavailableUnavailable Parts
#4 848735A 1 TAILPIPE ASSEMBLY, Starboard - Bravo Models (1 required per assembly)
TAILPIPE ASY-STBD O NLA  
848735A 1 TAILPIPE ASY-STBD O NLA
(more info)
    UnavailableUnavailable Parts
#5 10-848886 T BOLT, (.250-20) (2 required per assembly)
T BOLT 10-848886 10-848886
10-848886OEM Part 10-848886 - T Bolt (more info) About Mercury Marine $14.69 $14.69 Add to shopping cart
Available to order:
Usually ships
within 8 days
#6 54-848885 CLAMP, Band Style (2 required per assembly)
CLAMP 54-848885  
54-848885OEM Part 54-848885 - Clamp (more info) About Mercury Marine $193.42 $193.42 Add to shopping cart
Available to order:
Usually ships
within 8 days
#7 11-826709 8 NUT, (.250-20) Stainless Steel (2 required per assembly)
NUT Note: must be ordered in multiples of 2 11-826709  8  
11-826709 8OEM Part 11-826709 8 - Nut - Priced Individually (more info) About Mercury Marine $4.70 $4.70 Add to shopping cart
Available to order:
Usually ships
within 8 days
#8 27-848254 GASKET, Tailpipe (2 required per assembly)
GASKET 27-848254 27-848254
27-848254OEM Part 27-848254 - Gasket (more info) About Mercury Marine $18.98 $18.98 Add to shopping cart
Available to order:
Usually ships
within 8 days
#9 54-18076 3 CLAMP, Worm Gear (4 required per assembly)
CLAMP 54-18076  3  
54-18076 3OEM Part 54-18076 3 - Clamp (more info) About Mercury Marine $9.40 $9.40 Add to shopping cart
Available to order:
Usually ships
within 8 days
#10 32-848884 HOSE, Jumper (5.00 Inches) (2 required per assembly)
HOSE-5 INCHES 32-848884 32-848884
32-848884OEM Part 32-848884 - Hose -5 Inches (more info) About Mercury Marine $23.03 $23.03 Add to shopping cart
Available to order:
Usually ships
within 8 days
#11 861776A 2 PLATE KIT, Exhaust Blockoff (1 required per assembly)
PLATE KIT-EXHAUST 861776A 2 861776A 2
861776A 2OEM Part 861776A 2 - Exhaust Plate Kit (more info) About Mercury Marine $66.33 $66.33 Add to shopping cart
Available to order:
Usually ships
within 8 days
#12 13-41471 LOCKWASHER, (.375) (4 required per assembly)
LOCKWASHER 13-41471  
13-41471OEM Part 13-41471 - LockWasher (more info) About Mercury Marine $1.40 $1.40 Add to shopping cart
1 in stock. Explain stock levels
#13 10-98794 SCREW, (.375-16 x 1.00) (4 required per assembly)
SCREW 10-98794 10-98794
10-98794OEM Part 10-98794 - Screw (more info) About Mercury Marine $3.10 $3.10 Add to shopping cart
10+ in stock. Explain stock levels
Screw, Upper Drive Cap 18-3231
18-3231OEM Match 18-3231 - Bolt, 10-98794 (more info) About Sierra Marine $4.28 $2.90 Add to shopping cart
2 in stock. Explain stock levels
#14 22-842437 BUSHING (AR required per assembly)
BUSHING 22-842437  
22-842437OEM Part 22-842437 - Bushing (more info) About Mercury Marine $6.41 $6.41 Add to shopping cart
Available to order:
Usually ships
within 8 days
#- 27-842129A 1 GASKET/SEAL SET, Engine Overhaul (1 required per assembly) - NOTE: See Gasket/Seal Set Parts Section For Complete Parts Listing
GASKET/SEAL SET 27-842129A 1 27-842129A 1
27-842129A 1OEM Part 27-842129A 1 - Gasket/Seal Set (more info) About Mercury Marine $783.11 $783.11 Add to shopping cart
Available to order:
Usually ships
within 8 days