Logo

Parts for MerCruiser Race Engine and Drive Scorpion 377 Sterndrive Exhaust Manifold & Elbows

Engine Diagram

Ref. No. Part No. Description Manufacturer List Price Your Price Order
#1 10-43749 SCREW, (.375-16 x 5.750) (8 required per assembly)
SCREW (.375-16 x 10-43749 10-43749
10-43749OEM Part 10-43749 - Screw (more info) About Mercury Marine $6.00 $6.00 Add to shopping cart
2 in stock. Explain stock levels
Bolt 18-8410
18-8410OEM Match 18-8410 - Bolt,10-43749 (more info) About Sierra Marine $7.99 $4.49 Add to shopping cart
1 in stock. Explain stock levels
#2 807988A 2 ELBOW ASSEMBLY, Exhaust (2 required per assembly)
ELBOW ASY-EXHAUST O - Replaced by -807988A03 807988A 2
807988A 2This part has been superseded. ELBOW ASY-EXHAUST O - Replaced by -807988A03
(more info)
    UnavailableUnavailable Parts
ELBOW ASSEMBLY Ex 807988A03 807988A03
807988A03OEM Part 807988A03 - Exhaust Elbow, SaltWater (more info) About Mercury Marine $261.08 $261.08 Add to shopping cart
Available to order:
Usually ships
within 8 days
Manifold Elbow Repl.18-1976 18-1976-2
18-1976-2OEM Match 18-1976-2 - Elbow - 4IN CR V6-V8 MP#0992-400 (more info) About Sierra Marine $169.99 $130.33 Add to shopping cart
10 in stock. Explain stock levels
ELBOW 18-1976-1
18-1976-1OEM Match 18-1976-1 - Riser (25 #) (more info) About Sierra Marine $163.68 $123.00 Add to shopping cart
Available to order:
Usually ships
within 8 days
MERC RISER,4 INCH(23#) MC-20-44354 MC-20-44354
MC-20-44354OEM Match MC-20-44354 - Mercury Riser, 4 Inch (23 #) (more info) About Barr Marine by EDM $250.00 $150.88 Add to shopping cart
10+ in stock. Explain stock levels
#3 22-45084 FITTING (Starboard) (2 required per assembly)
22866725 22-45084  
22-45084OEM Part 22-45084 - Connector (more info) About Mercury Marine $25.54 $25.54 Add to shopping cart
6 in stock. Explain stock levels
FITTING Straight 22-866725  
22-866725OEM Part 22-866725 - Steering Fitting 3/4 NPT (more info) About Mercury Marine $12.90 $12.90 Add to shopping cart
3 in stock. Explain stock levels
Brass Connector 18-4461
18-4461OEM Match 18-4461 - Brass Connector (more info) About Sierra Marine $15.63 $12.38 Add to shopping cart
1 in stock. Explain stock levels
#4 22-92499T FITTING, (45 Degree) (Port) (2 required per assembly)
22865159 22-92499T  
22-92499TOEM Part 22-92499T - Fitting (more info) About Mercury Marine $20.00 $20.00 Add to shopping cart
1 in stock. Explain stock levels
FITTING 45 Degree 22-865159  
22-865159OEM Part 22-865159 - Fitting (more info) About Mercury Marine $16.58 $16.58 Add to shopping cart
Available to order:
Usually ships
within 8 days
#5 27-860232 GASKET (2 required per assembly)
GASKET            O - Replaced by 27-863726 27-860232
27-860232This part has been superseded. GASKET O - Replaced by 27-863726
(more info)
    UnavailableUnavailable Parts
GASKET 27-863726 27-863726
27-863726OEM Part 27-863726 - Gasket (more info) About Mercury Marine $12.50 $12.50 Add to shopping cart
10+ in stock. Explain stock levels
Exhaust Elbow Gasket 18-2849-1
18-2849-1 18-28491 - Exhaust Elbow Gasket MP#283109 - Special Order - No Returns (more info)     UnavailableUnavailable Parts
GASKET-EXHAUST ELBOW MC47-27-87105 MC47-27-87105
MC47-27-87105OEM Match MC47-27-87105 - Exhaust Elbow Gasket (more info) About Barr Marine by EDM $8.00 $6.25 Add to shopping cart
2 in stock. Explain stock levels
#6 860246A 9 MANIFOLD ASSEMBLY, Exhaust (2 required per assembly)
MANIFOLD KIT-EXH  O - Replaced by -860246A10 860246A 9
860246A 9This part has been superseded. MANIFOLD KIT-EXH O - Replaced by -860246A10
(more info)
    UnavailableUnavailable Parts
MANIFOLD KIT-EXH  O - Replaced by -860246A15 860246A10
860246A10This part has been superseded. MANIFOLD KIT-EXH O - Replaced by -860246A15
(more info)
    UnavailableUnavailable Parts
MANIFOLD ASSEMBLY 860246A15 860246A15
860246A15OEM Part 860246A15 - Manifold Kit (more info) About Mercury Marine $304.16 $304.16 Add to shopping cart
Available to order:
Usually ships
within 8 days
Manifold, W/ Mounting Pkg 18-1953-2
18-1953-2OEM Match 18-1953-2 - Manifold (47 #) (more info) About Sierra Marine $247.99 $186.38 Add to shopping cart
10+ in stock. Explain stock levels
MERC CENTER RISE MANI (43#) MC-1-87114 MC-1-87114
MC-1-87114OEM Match MC-1-87114 - Mercruiser Center Riser Manifold (43 #) (more info) About Barr Marine by EDM $325.00 $213.00 Add to shopping cart
8 in stock. Explain stock levels
#7 27-33395 GASKET (2 required per assembly)
GASKET Note: must be ordered in multiples of 2 27-33395 27-33395
27-33395OEM Part 27-33395 - Gasket - Priced Individually (more info) About Mercury Marine $9.90 $9.90 Add to shopping cart
2 in stock. Explain stock levels
#8 22-861187 PLUG, (.750-14) Pipe (8 required per assembly)
22428611 22-861187  
22-861187OEM Part 22-861187 - Pipe Plug (more info) About Mercury Marine $8.25 $8.25 Add to shopping cart
10+ in stock. Explain stock levels
FITTING Pipe - Br 22-42861  1 22-42861  1
22-42861 1OEM Part 22-42861 1 - Pipe Plug (more info) About Mercury Marine $7.30 $7.30 Add to shopping cart
9 in stock. Explain stock levels
#9 22-806926A 1 ELBOW KIT, Drain (2 required per assembly)
ELBOW KIT         O - Replaced by 22-862210A01 22-806926A 1
22-806926A 1This part has been superseded. ELBOW KIT O - Replaced by 22-862210A01
(more info)
    UnavailableUnavailable Parts
ELBOW KIT Drain 22-862210A01 22-862210A01
22-862210A01OEM Part 22-862210A01 - Elbow Kit (more info) About Mercury Marine $24.90 $21.32 Add to shopping cart
Available to order:
Usually ships
within 8 days
Drain Elbow Assy. 18-4224
18-4224OEM Match 18-4224 - Drain Elbow 22-806926A1 (more info) About Sierra Marine $8.49 $6.83 Add to shopping cart
10+ in stock. Explain stock levels
#10 22-806608A 1 PLUG KIT, (.500-13) Royal Blue (2 required per assembly)
PLUG KIT @5       O - Replaced by 22-806608A02 22-806608A 1
22-806608A 1This part has been superseded. PLUG KIT @5 O - Replaced by 22-806608A02
(more info)
    UnavailableUnavailable Parts
PLUG ASSEMBLY (.5 22-806608A02 22-806608A02
22-806608A02OEM Part 22-806608A02 - Plug Assembly - Priced Individually (more info) About Mercury Marine $6.60 $6.60 Add to shopping cart
Available to order:
Usually ships
within 8 days
DRAIN PLUG 18-4226
18-4226OEM Match 18-4226 - Drain Plug, 22-806608A1 (more info) About Sierra Marine $4.49 $2.97 Add to shopping cart
Available to order:
Usually ships
within 8 days
PLUG KIT Note: must be ordered in multiples of 2   22806608Q01 22-806608Q01
22-806608Q01OEM Part 22-806608Q01 - Plug Kit - Priced Individually (more info) About Mercury Marine $6.80 $6.80 Add to shopping cart
Available to order:
Usually ships
within 8 days
#11 25-32509 O-RING, (.489 x .070) (2 required per assembly)
O-RING (.489 x .0 25-32509 25-32509
25-32509OEM Part 25-32509 - O-Ring - Priced Individually (more info) About Mercury Marine $1.50 $1.50 Add to shopping cart
10+ in stock. Explain stock levels
O-Ring 18-7165-9
18-7165-9OEM Match 18-7165-9 - O-Ring (PK5) , 0304174 (more info)
Replaces OEM #0304174
About Sierra Marine $7.45 $4.08 Add to shopping cart
Available to order:
Usually ships
within 8 days
#12 10-53728 SCREW, (.375-16 x 4.75) (8 required per assembly)
SCREW (.375-16 x 10-53728 10-53728
10-53728OEM Part 10-53728 - Screw (more info) About Mercury Marine $3.40 $3.40 Add to shopping cart
Available to order:
Usually ships
within 8 days
#- 27-807670A97 GASKET/SEAL SET, Engine Overhaul (1 required per assembly)
GASKET SET 27-807670A97 27-807670A97
27-807670A97OEM Part 27-807670A97 - Gasket Set (more info) About Mercury Marine $250.00 $250.00 Add to shopping cart
3 in stock. Explain stock levels
#- 840360A 7 PARTIAL ENGINE ASSEMBLY (1 required per assembly)
PARTIAL ENG-377   O NLA  
840360A 7 PARTIAL ENG-377 O NLA
(more info)
    UnavailableUnavailable Parts