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Parts for Mercury Marine 250 HP Long (3.0L) (EFI) Crankshaft, Pistons & Connecting Rods

Ref. No. Part No. Description Manufacturer List Price Your Price Order
#1 482-9784A11 CRANKSHAFT ASSEMBLY (1 required per assembly)
CRANKSHAFT ASSEMB 482-9784A11  
482-9784A11OEM Part 482-9784A11 - Crankshaft Assembly (more info) About Mercury Marine $1,432.86 $1,432.86 Add to shopping cart
Available to order:
Usually ships
within 8 days
#2 NSS NOT SOLD SEPARATE, Wear Sleeve (1 required per assembly)
#3 30-67923T BEARING, Ball (LOWER) (1 required per assembly)
BEARING Ball 30-67923T 30-67923T
30-67923TOEM Part 30-67923T - Ball Bearing (more info) About Mercury Marine $79.08 $79.08 Add to shopping cart
2 in stock. Explain stock levels
Ball Bearing 18-1345
18-1345OEM Match 18-1345 - Bearing, 30-67923T - Special Order - No Returns (more info) About Sierra Marine $156.49 $132.86 Add to shopping cart
In stock - special order item. Explain stock levels
#4 53-67446 RING (1 required per assembly)
RING 53-67446  
53-67446OEM Part 53-67446 - Ring - Retaining (more info) About Mercury Marine $2.50 $2.50 Add to shopping cart
Available to order:
Usually ships
within 8 days
#5 39-816106 RING (7 required per assembly) SN# 0T979999 & Below
RING-SEAL         O - Replaced by 39-843198001  
39-816106This part has been superseded. RING-SEAL O - Replaced by 39-843198001
(more info)
    UnavailableUnavailable Parts
RING-SEAL         O - Replaced by 39-843198T01  
39-843198001This part has been superseded. RING-SEAL O - Replaced by 39-843198T01
(more info)
    UnavailableUnavailable Parts
RING Seal 39-843198T01  
39-843198T01OEM Part 39-843198T01 - Seal Ring (more info) About Mercury Marine $13.50 $13.50 Add to shopping cart
Available to order:
Usually ships
within 8 days
#5 39-843198001 RING, Seal (7 required per assembly) SN# 0T980000 & Up
#6 28-91800 KEY, Woodruff (1 required per assembly)
KEY Woodruff 28-91800 28-91800
28-91800OEM Part 28-91800 - Key - Priced Individually (more info) About Mercury Marine $1.63 $1.63 Add to shopping cart
1 in stock. Explain stock levels
#7 25-35126 O-RING, (.859 x .139) (1 required per assembly)
O-RING (.859 x .1 25-35126  
25-35126OEM Part 25-35126 - O-Ring - Priced Individually (more info) About Mercury Marine $2.00 $2.00 Add to shopping cart
10+ in stock. Explain stock levels
#8 31-88270A 1 RACE ASSEMBLY (2 required per assembly)
BEARING/RACE KIT  O - Replaced by 31-88270A02  
31-88270A 1This part has been superseded. BEARING/RACE KIT O - Replaced by 31-88270A02
(more info)
    UnavailableUnavailable Parts
BEARING/RACE KIT 31-88270A02  
31-88270A02OEM Part 31-88270A02 - Bearing/Race Kit (more info) About Mercury Marine $126.58 $126.58 Add to shopping cart
Available to order:
Usually ships
within 8 days
#10 700-858295T 1 PISTON (3 required per assembly) (STBD-STANDARD)
PISTON ASSY-STBD  O - Replaced by 700-858295T14 700-858295T 1
700-858295T 1This part has been superseded. PISTON ASSY-STBD O - Replaced by 700-858295T14
(more info)
    UnavailableUnavailable Parts
PISTON ASSEMBLY S 700-858295T14 700-858295T14
700-858295T14OEM Part 700-858295T14 - Piston Assembly - Stbd (more info) About Mercury Marine $192.25 $192.25 Add to shopping cart
Available to order:
Usually ships
within 8 days
Piston-std. Stbd 18-4640
18-4640OEM Match 18-4640 - Piston, 700-858295T1.std (more info) About Sierra Marine $95.64 $72.90 Add to shopping cart
1 in stock. Explain stock levels
#10 700-858294T 1 PISTON (3 required per assembly) (PORT-STANDARD)
PISTON ASSY-PORT  O - Replaced by 700-858294T14 700-858294T 1
700-858294T 1This part has been superseded. PISTON ASSY-PORT O - Replaced by 700-858294T14
(more info)
    UnavailableUnavailable Parts
PISTON ASSEMBLY S 700-858294T14 700-858294T14
700-858294T14OEM Part 700-858294T14 - Piston Assembly - Port (more info) About Mercury Marine $192.25 $192.25 Add to shopping cart
Available to order:
Usually ships
within 8 days
Piston-std. Port 18-4639
18-4639OEM Match 18-4639 - Piston, 700-858294T1.std (more info) About Sierra Marine $95.64 $72.90 Add to shopping cart
2 in stock. Explain stock levels
#10 700-878572A 2 PISTON ASSEMBLY (AR required per assembly) (STARBOARD)(.015 O/S)
PISTON ASSEMBLY 700-878572A 2 700-878572A 2
700-878572A 2OEM Part 700-878572A 2 - Piston - Stbd - .015 (more info) About Mercury Marine $162.83 $162.83 Add to shopping cart
6 in stock. Explain stock levels
Piston Kit 18-4642
18-4642OEM Match 18-4642 - Piston, 700-878572A2.015 - Special Order - No Returns (more info) About Sierra Marine $115.20 Add to shopping cart
In stock - special order item. Explain stock levels
#10 700-878571A 2 PISTON ASSEMBLY (AR required per assembly) (PORT)(.015 O/S)
PISTON ASSEMBLY 700-878571A 2 700-878571A 2
700-878571A 2OEM Part 700-878571A 2 - Piston - Port - .015 (more info) About Mercury Marine $162.83 $162.83 Add to shopping cart
Available to order:
Usually ships
within 8 days
Piston-.015 Port 18-4641
18-4641OEM Match 18-4641 - Piston, 700-878571A2.015 (more info) About Sierra Marine $105.20 $105.20 Add to shopping cart
1 in stock. Explain stock levels
#10 700-878574A 2 PISTON ASSEMBLY (AR required per assembly) (STARBOARD)(.030 O/S)
PISTON ASSEMBLY 700-878574A 2 700-878574A 2
700-878574A 2OEM Part 700-878574A 2 - Piston - Stbd - .030 (more info) About Mercury Marine $168.58 $168.58 Add to shopping cart
Available to order:
Usually ships
within 8 days
Piston-.030 Stbd. 18-4644
18-4644OEM Match 18-4644 - Piston, 700-878574A2.030 (more info) About Sierra Marine $95.64 $72.90 Add to shopping cart
2 in stock. Explain stock levels
#10 700-878573A 2 PISTON ASSEMBLY (AR required per assembly) (PORT)(.030 O/S)
PISTON ASSEMBLY 700-878573A 2 700-878573A 2
700-878573A 2OEM Part 700-878573A 2 - Piston - Port - .030 (more info) About Mercury Marine $165.50 $165.50 Add to shopping cart
Available to order:
Usually ships
within 8 days
Piston-.030 Port 18-4643
18-4643OEM Match 18-4643 - Piston, 700-878573A2.030 (more info) About Sierra Marine $95.64 $72.90 Add to shopping cart
4 in stock. Explain stock levels
#11 40-841202 RING (12 required per assembly)
RING 40-841202 40-841202
40-841202OEM Part 40-841202 - Lock Ring (more info) About Mercury Marine $2.00 $2.00 Add to shopping cart
Available to order:
Usually ships
within 8 days
#12 39-858772A12 RING SET, Piston (1 required per assembly)
RING SET Piston 39-858772A12 39-858772A12
39-858772A12OEM Part 39-858772A12 - Piston Rings (more info) About Mercury Marine $224.17 $224.17 Add to shopping cart
Available to order:
Usually ships
within 8 days
#12 39-875252A12 RING SET, Piston (AR required per assembly) (.015 O/S)
RING SET Piston 39-875252A12 39-875252A12
39-875252A12OEM Part 39-875252A12 - Piston Rings (more info) About Mercury Marine $370.50 $370.50 Add to shopping cart
Available to order:
Usually ships
within 8 days
Piston Rings 18-4051
18-4051 18-4051 - Rings, 39-826293A12 - Special Order - No Returns (more info)       Special Order Please Call
#12 39-875257A12 RING SET, Piston (AR required per assembly) (.030 O/S)
RING SET Piston 39-875257A12 39-875257A12
39-875257A12OEM Part 39-875257A12 - Piston Rings (more info) About Mercury Marine $412.57 $412.57 Add to shopping cart
Available to order:
Usually ships
within 8 days
Ring Set-.030 18-4052
18-4052OEM Match 18-4052 - Rings, 39-826297A12 (more info) About Sierra Marine $23.87 $18.70 Add to shopping cart
2 in stock. Explain stock levels
#14 647-822373A 7 CONNECTING ROD ASSEMBLY (6 required per assembly)
CONN ROD KIT      O - Replaced by 647-822373A09  
647-822373A 7This part has been superseded. CONN ROD KIT O - Replaced by 647-822373A09
(more info)
    UnavailableUnavailable Parts
CONNECTING ROD AS 647-822373A09  
647-822373A09OEM Part 647-822373A09 - Connecting Rod Kit (more info) About Mercury Marine $469.00 $469.00 Add to shopping cart
Available to order:
Usually ships
within 8 days
#15 10-94320 SCREW, (.375-24 x 1.250) (12 required per assembly)
SCREW (.375-24 x 10-94320 10-94320
10-94320OEM Part 10-94320 - Screw (more info) About Mercury Marine $6.70 $6.70 Add to shopping cart
Available to order:
Usually ships
within 8 days
#16 31-43012A 1 BEARING/CAGE KIT (12 required per assembly)
3143012A04 31-43012A 1 31-43012A 1
31-43012A 1OEM Part 31-43012A 1 - Bearing/Cage Kit (more info) About Mercury Marine $55.00 $55.00 Add to shopping cart
6 in stock. Explain stock levels
BEARING/CAGE KIT  O - Replaced by 31-844338A01  
31-43012A04This part has been superseded. BEARING/CAGE KIT O - Replaced by 31-844338A01
(more info)
    UnavailableUnavailable Parts
BEARING ASSEMBLY 31-844338A01 31-844338A01
31-844338A01OEM Part 31-844338A01 - Bearing Kit (more info) About Mercury Marine $81.40 $69.71 Add to shopping cart
6 in stock. Explain stock levels
Rod Bearing w/cage 18-1195
18-1195OEM Match 18-1195 - Bearing w/ Cage (more info) About Sierra Marine $86.89 $68.66 Add to shopping cart
3 in stock. Explain stock levels
#18 12-88263 THRUST WASHER (12 required per assembly)
THRUST WASHER 12-88263  
12-88263OEM Part 12-88263 - Washer (more info) About Mercury Marine $9.90 $6.69 Add to shopping cart
10+ in stock. Explain stock levels
Needle Bearins w/ (2) retai 18-1186
18-1186OEM Match 18-1186 - Needle Bearings With Retainers (more info) About Sierra Marine $24.49 $19.04 Add to shopping cart
Available to order:
Usually ships
within 8 days
#19 29-88258001 BEARING, Needle (204 required per assembly)
BEARING Needle 29-88258001 29-88258001
29-88258001OEM Part 29-88258001 - Bearing Needles - Priced Individually (more info) About Mercury Marine $0.34 $0.34 Add to shopping cart
10+ in stock. Explain stock levels
#20 31-816773A 2 BEARING ASSEMBLY (UPPER) (1 required per assembly)
BEARING ASSEMBLY 31-816773A 2 31-816773A 2
31-816773A 2OEM Part 31-816773A 2 - Bearing Assembly (more info) About Mercury Marine $199.75 $199.75 Add to shopping cart
Available to order:
Usually ships
within 8 days
#21 26-859093 SEAL (1 required per assembly)
SEAL 26-859093 26-859093
26-859093OEM Part 26-859093 - Seal (more info) About Mercury Marine $30.10 $25.77 Add to shopping cart
Available to order:
Usually ships
within 8 days
#22 25-823683 O-RING, (1.989 x .070) (1 required per assembly)
O-RING (1.989 x . 25-823683 25-823683
25-823683OEM Part 25-823683 - O-Ring (more info) About Mercury Marine $2.10 $2.10 Add to shopping cart
2 in stock. Explain stock levels
O-Ring 18-7414-9
18-7414-9OEM Match 18-7414-9 - O-Ring (PK5) 25-64067 (more info) About Sierra Marine $12.45 $12.45 Add to shopping cart
1 in stock. Explain stock levels
#- 27-832934A00 GASKET SET, Powerhead (1 required per assembly)
GASKET SET Powerh 27-832934A00 27-832934A00
27-832934A00OEM Part 27-832934A00 - Gasket Set (more info) About Mercury Marine $132.00 $132.00 Add to shopping cart
Available to order:
Usually ships
within 8 days
#- 883894A04 POWERHEAD ASSEMBLY (1 required per assembly)
PH 250 EFI 3.0L   O - Replaced by -883894A07  
883894A04This part has been superseded. PH 250 EFI 3.0L O - Replaced by -883894A07
(more info)
    UnavailableUnavailable Parts
POWERHEAD ASSEMBL 883894A07  
883894A07OEM Part 883894A07 - Powerhead 250EFI 3L (more info) About Mercury Marine $7,585.71 $7,585.71 Add to shopping cart
Available to order:
Usually ships
within 8 days
PH 250 EFI -RM     883894R04 883894R04
883894R04OEM Part 883894R04 - Powerhead 250 EFI -rm (more info) About Mercury Marine $4,768.75 $4,768.75 Add to shopping cart
Available to order:
Usually ships
within 8 days