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Parts for Mercury Marine Model 40, 4 HP (Gnat 2 Cylinder) Gear Housing Assembly (Drive Shaft)

Ref. No. Part No. Description Manufacturer List Price Your Price Order
# 1648-5559A 2 GEAR HOUSING ASS'Y, COMP. (SHORT SHAFT) (1 required per assembly) SERIAL #9210545 AND BELOW
GEAR HSG ASY-B    O - Replaced by 1648-5559A10  
1648-5559A 2This part has been superseded. GEAR HSG ASY-B O - Replaced by 1648-5559A10
(more info)
    UnavailableUnavailable Parts
GEAR HOUSING      O - Replaced by 1648-7811A 5  
1648-5559A10This part has been superseded. GEAR HOUSING O - Replaced by 1648-7811A 5
(more info)
    UnavailableUnavailable Parts
GEAR HOUSING      O - Replaced by 1648-7811A20  
1648-7811A 5This part has been superseded. GEAR HOUSING O - Replaced by 1648-7811A20
(more info)
    UnavailableUnavailable Parts
GEAR HOUSING      O NLA  
1648-7811A20 GEAR HOUSING O NLA
(more info)
    UnavailableUnavailable Parts
# 1648-5559A 4 GEAR HOUSING ASS'Y, COMP. (LONG SHAFT) (1 required per assembly) SERIAL #9210545 AND BELOW
GEAR HOUSING ASSY O - Replaced by 1648-5559A11  
1648-5559A 4This part has been superseded. GEAR HOUSING ASSY O - Replaced by 1648-5559A11
(more info)
    UnavailableUnavailable Parts
GEAR HOUSING      O - Replaced by 1648-7811A 6  
1648-5559A11This part has been superseded. GEAR HOUSING O - Replaced by 1648-7811A 6
(more info)
    UnavailableUnavailable Parts
GEAR HOUSING      O - Replaced by 1648-7811A21  
1648-7811A 6This part has been superseded. GEAR HOUSING O - Replaced by 1648-7811A21
(more info)
    UnavailableUnavailable Parts
GEAR HOUSING      O NLA  
1648-7811A21 GEAR HOUSING O NLA
(more info)
    UnavailableUnavailable Parts
# 1648-5559A10 GEAR HOUSING ASS'Y, COMP. (SHORT SHAFT) (1 required per assembly) SERIAL #9210546 AND UP
# 1648-5559A11 GEAR HOUSING ASS'Y, COMP. (LONG SHAFT) (1 required per assembly) SERIAL #9210546 AND UP
#1 1648-5559A 3 GEAR HOUSING ASSEMBLY, BASIC (1 required per assembly)
GEAR HOUSING ASSY O - Replaced by 1648-7381A 1  
1648-5559A 3This part has been superseded. GEAR HOUSING ASSY O - Replaced by 1648-7381A 1
(more info)
    UnavailableUnavailable Parts
GEAR HOUSING      O NLA  
1648-7381A 1 GEAR HOUSING O NLA
(more info)
    UnavailableUnavailable Parts
#2 16-68927 STUD, GEAR HOUSING (2 1/8") - SHORT SHAFT (1 required per assembly)
STUD              O NLA  
16-68927 STUD O NLA
(more info)
    UnavailableUnavailable Parts
#2 16-75321 STUD, GEAR HOUSING (7 1/4") - LONG SHAFT (1 required per assembly)
STUD              O NLA  
16-75321 STUD O NLA
(more info)
    UnavailableUnavailable Parts
#3 16-68928 STUD, WATER PUMP (2 1/4') (2 required per assembly)
STUD,NLA 16-68928  
16-68928OEM Part 16-68928 - Stud, NLA (more info) About Mercury Marine $12.50 $12.50 Add to shopping cart
5 in stock. Explain stock levels
#4 16-70741 STUD, WATER PUMP (1 1/2") (1 required per assembly)
STUD              O NLA  
16-70741 STUD O NLA
(more info)
    UnavailableUnavailable Parts
#5 31-23101 ROLLER BEARING, GEAR HOUSING - LOWER (1 required per assembly)
BEARING ,NLA 31-23101  
31-23101OEM Part 31-23101 - Bearing, NLA (more info) About Mercury Marine $8.00 $8.00 Add to shopping cart
10+ in stock. Explain stock levels
#6 68978 COUPLING, DRIVE SHAFT/PINION (1 required per assembly)
COUPLING,NLA 68978  
68978OEM Part 68978 - Coupling, NLA (more info) About Mercury Marine $25.00 $25.00 Add to shopping cart
2 in stock. Explain stock levels
#7 31-69496 ROLLER BEARING, GEAR HOUSING - UPPER (1 required per assembly)
ROLLER BEARING-B  O NLA  
31-69496 ROLLER BEARING-B O NLA
(more info)
    UnavailableUnavailable Parts
#8 43-68981 PINION GEAR (1 required per assembly)
PINION,4HP,NLA 43-68981  
43-68981OEM Part 43-68981 - Pinion, 4HP, NLA (more info) About Mercury Marine $50.00 $50.00 Add to shopping cart
6 in stock. Explain stock levels
#9 31-68945 THRUST BEARING, PINION GEAR (1 required per assembly)
BEARING,NLA 31-68945  
31-68945OEM Part 31-68945 - Bearing, NLA (more info) About Mercury Marine $10.00 $10.00 Add to shopping cart
1 in stock. Explain stock levels
#10 12-71557 WASHER, THRUST BEARING (1 required per assembly)
WASHER,NLA 12-71557  
12-71557OEM Part 12-71557 - Washer, NLA (more info) About Mercury Marine $5.50 $5.50 Add to shopping cart
9 in stock. Explain stock levels
#11 45-68983 DRIVE SHAFT (SHORT SHAFT) (1 required per assembly)
DRIVE SHAFT,NLA 45-68983  
45-68983OEM Part 45-68983 - Drive Shaft, NLA (more info) About Mercury Marine $110.00 $110.00 Add to shopping cart
2 in stock. Explain stock levels
#11 45-75310 DRIVE SHAFT (LONG SHAFT) (1 required per assembly)
DRIVE SHAFT       O NLA  
45-75310 DRIVE SHAFT O NLA
(more info)
    UnavailableUnavailable Parts
#12 28-56655 KEY, IMPELLER DRIVE (1 required per assembly)
KEY @5            O - Replaced by 28-8M0032835  
28-56655This part has been superseded. KEY @5 O - Replaced by 28-8M0032835
(more info)
    UnavailableUnavailable Parts
KEY 28-8M0032835 28-8M0032835
28-8M0032835OEM Part 28-8M0032835 - Key (more info) About Mercury Marine $4.20 $4.20 Add to shopping cart
10+ in stock. Explain stock levels
#13 27-68939 GASKET, WATER PUMP - LOWER (1 required per assembly)
GASKET,NLA 27-68939  
27-68939OEM Part 27-68939 - Gasket, NLA (more info) About Mercury Marine $5.00 $5.00 Add to shopping cart
4 in stock. Explain stock levels
#14 46-68986A 1 WATER PUMP HOUSING ASSEMBLY (1 required per assembly)
HOUSING ASSY-B    O - Replaced by 46-90844A 1  
46-68986A 1This part has been superseded. HOUSING ASSY-B O - Replaced by 46-90844A 1
(more info)
    UnavailableUnavailable Parts
HOUSING ASSY,NLA KIT # 46-90844A2 46-90844A 1 46-90844A 1
46-90844A 1OEM Part 46-90844A 1 - Housing Assembly, NLA (more info) About Mercury Marine $116.28 Add to shopping cart
5 in stock. Explain stock levels
#15 26-77066 OIL SEAL, WATER PUMP (1 required per assembly)
2696063 26-77066  
26-77066OEM Part 26-77066 - Seal - Priced Individually (more info) About Mercury Marine $5.90 $5.90 Add to shopping cart
10+ in stock. Explain stock levels
26897153 26-96063 26-96063
26-96063OEM Part 26-96063 - Seal - Priced Individually (more info) About Mercury Marine $7.50 $7.50 Add to shopping cart
10+ in stock. Explain stock levels
SEAL-OIL Note: must be ordered in multiples of 3 26-897153 26-897153
26-897153OEM Part 26-897153 - Oil Seal - Priced Individually (more info) About Mercury Marine $12.00 $12.00 Add to shopping cart
Available to order:
Usually ships
within 8 days
Oil Seal 18-2010
18-2010OEM Match 18-2010 - Seal 26-96063 (more info) About Sierra Marine $11.99 $8.78 Add to shopping cart
1 in stock. Explain stock levels
#16 70977 INSERT, WATER PUMP (1 required per assembly)
INSERT            O - Replaced by -70977T 70977
70977This part has been superseded. INSERT O - Replaced by -70977T
(more info)
    UnavailableUnavailable Parts
INSERT 70977T 70977T
70977TOEM Part 70977T - Insert (more info) About Mercury Marine $8.70 $8.70 Add to shopping cart
1 in stock. Explain stock levels
Insert Cup 18-3113
18-3113OEM Match 18-3113 - Cup 70977 (more info) About Sierra Marine $7.99 $5.84 Add to shopping cart
1 in stock. Explain stock levels
#17 12-56681 WASHER, WATER PUMP (1 required per assembly)
WASHER (.203 x .5 12-56681  
12-56681OEM Part 12-56681 - Washer - Priced Individually (more info) About Mercury Marine $1.40 $1.40 Add to shopping cart
10+ in stock. Explain stock levels
#18 25-74138 QUAD SEAL, WATER PUMP (1 required per assembly)
O RING,NLA 25-74138  
25-74138OEM Part 25-74138 - O-Ring - Priced Individually (more info) About Mercury Marine $12.50 $12.50 Add to shopping cart
10+ in stock. Explain stock levels
#19 47-68988 IMPELLER (1 required per assembly)
IMPELLER-B @2     O - Replaced by 47-89980  
47-68988This part has been superseded. IMPELLER-B @2 O - Replaced by 47-89980
(more info)
    UnavailableUnavailable Parts
IMPELLER 47-89980 47-89980
47-89980OEM Part 47-89980 - Impeller (more info) About Mercury Marine $25.41 $25.41 Add to shopping cart
10+ in stock. Explain stock levels
Impeller 18-3054
18-3054OEM Match 18-3054 - Impeller 47-89980 (more info) About Sierra Marine $17.99 $13.25 Add to shopping cart
10+ in stock. Explain stock levels
#20 68955 FACE PLATE, WATER PUMP (1 required per assembly)
FACE PLATE,NLA 68955 68955
68955OEM Part 68955 - Face Plate, NLA (more info) About Mercury Marine $10.00 $10.00 Add to shopping cart
10+ in stock. Explain stock levels
#21 46-68984A 1 WATER PUMP COVER ASSEMBLY (1 required per assembly)
COVER ASSY-B      O - Replaced by 46-90846A 1  
46-68984A 1This part has been superseded. COVER ASSY-B O - Replaced by 46-90846A 1
(more info)
    UnavailableUnavailable Parts
COVER ASSY        O - Replaced by 46-95965A 2  
46-90846A 1This part has been superseded. COVER ASSY O - Replaced by 46-95965A 2
(more info)
    UnavailableUnavailable Parts
COVER ASSY        O NLA 46-95965A 2
46-95965A 2 COVER ASSY O NLA
(more info)
    UnavailableUnavailable Parts
#22 26-30913 OIL SEAL, WATER PUMP COVER (1 required per assembly)
SEAL Oil 26-30913 26-30913
26-30913OEM Part 26-30913 - Seal - Priced Individually (more info) About Mercury Marine $16.80 $14.39 Add to shopping cart
Available to order:
Usually ships
within 8 days
Oil Seal 18-0516
18-0516OEM Match 18-0516 - Seal, 26-30913 (more info) About Sierra Marine $9.49 $7.33 Add to shopping cart
Available to order:
Usually ships
within 8 days
#23 12-36554 WASHER, WATER TUBE SEAL (1 required per assembly)
WASHER @3         O - Replaced by 23-86214  
12-36554This part has been superseded. WASHER @3 O - Replaced by 23-86214
(more info)
    UnavailableUnavailable Parts
SPACER @3         O - Replaced by 23-13127  
23-86214This part has been superseded. SPACER @3 O - Replaced by 23-13127
(more info)
    UnavailableUnavailable Parts
SPACER Note: must be ordered in multiples of 2 23-13127 23-13127
23-13127OEM Part 23-13127 - Spacer - Priced Individually (more info) About Mercury Marine $3.70 $3.70 Add to shopping cart
7 in stock. Explain stock levels
#24 26-36558 SEAL, WATER TUBE (1 required per assembly)
SEAL Note: must be ordered in multiples of 10 26-36558 26-36558
26-36558OEM Part 26-36558 - Seal - Priced Individually (more info) About Mercury Marine $3.90 $3.90 Add to shopping cart
10+ in stock. Explain stock levels
#24A 23-75146 SLEEVE, WATER TUBE GUIDE (1 required per assembly)
SLEEVE-B          O - Replaced by 23-31792  
23-75146This part has been superseded. SLEEVE-B O - Replaced by 23-31792
(more info)
    UnavailableUnavailable Parts
SLEEVE @5         O - Replaced by 23-31792T  
23-31792This part has been superseded. SLEEVE @5 O - Replaced by 23-31792T
(more info)
    UnavailableUnavailable Parts
SLEEVE Note: must be ordered in multiples of 5 23-31792T 23-31792T
23-31792TOEM Part 23-31792T - Sleeve - Priced Individually (more info) About Mercury Marine $11.80 $11.80 Add to shopping cart
10+ in stock. Explain stock levels
#25 25-30526 RING, RUBBER - DRIVE SHAFT (1 required per assembly)
RING 25-30526 25-30526
25-30526OEM Part 25-30526 - O-Ring - Priced Individually (more info) About Mercury Marine $1.90 $1.90 Add to shopping cart
9 in stock. Explain stock levels
#26 12-30164 WASHER, WATER PUMP STUDS (3 required per assembly)
WASHER (.192 x .3 12-30164  
12-30164OEM Part 12-30164 - Washer - Priced Individually (more info) About Mercury Marine $1.60 $1.60 Add to shopping cart
10+ in stock. Explain stock levels
#27 11-45812 NUT, WATER PUMP STUDS (3 required per assembly)
NUT @5            O - Replaced by 11-859124  
11-45812This part has been superseded. NUT @5 O - Replaced by 11-859124
(more info)
    UnavailableUnavailable Parts
NUT (#10-32) Stai 11-859124  
11-859124OEM Part 11-859124 - Nut - Priced Individually (more info) About Mercury Marine $12.92 $12.92 Add to shopping cart
10+ in stock. Explain stock levels
#28 72418 SHIFT SHAFT (SHORT SHAFT) (1 required per assembly)
SHIFT SHAFT       O - Replaced by -72418T  
72418This part has been superseded. SHIFT SHAFT O - Replaced by -72418T
(more info)
    UnavailableUnavailable Parts
SHIFT SHAFT       O NLA  
72418T SHIFT SHAFT O NLA
(more info)
    UnavailableUnavailable Parts
#28 75307 SHIFT SHAFT (LONG SHAFT) (1 required per assembly)
SHIFT SHAFT       O NLA  
75307 SHIFT SHAFT O NLA
(more info)
    UnavailableUnavailable Parts
#29 10-28653 SCREW, VENT - GEAR HOUSING (1/4") (1 required per assembly)
SCREW (#10-32 x 0 10-28653 10-28653
10-28653OEM Part 10-28653 - Screw - Priced Individually (more info) About Mercury Marine $1.90 $1.90 Add to shopping cart
10+ in stock. Explain stock levels
#30 12-20262 WASHER, VENT SCREW (1 required per assembly)
19643 12-20262  
12-20262OEM Part 12-20262 - Washer, Priced Individually (more info) About Mercury Marine $1.00 $1.00 Add to shopping cart
10+ in stock. Explain stock levels
SEAL Note: must be ordered in multiples of 15 19643 19643
19643OEM Part 19643 - Seal - Priced Individually (more info) About Mercury Marine $1.00 $1.00 Add to shopping cart
5 in stock. Explain stock levels
#31 10-28634 SCREW, GREASE FILLER (1 required per assembly)
SCREW @5          O - Replaced by 10-79953 10-28634
10-28634This part has been superseded. SCREW @5 O - Replaced by 10-79953
(more info)
    UnavailableUnavailable Parts
SCREW @5          O - Replaced by 10-79953A 2 10-79953
10-79953This part has been superseded. SCREW @5 O - Replaced by 10-79953A 2
(more info)
    UnavailableUnavailable Parts
SCREW KIT-DRAIN   O - Replaced by 10-79953Q 2 10-79953A 2
10-79953A 2This part has been superseded. SCREW KIT-DRAIN O - Replaced by 10-79953Q 2
(more info)
    UnavailableUnavailable Parts
SCREW KIT @2      O - Replaced by 10-79953Q04 10-79953Q 2
10-79953Q 2This part has been superseded. SCREW KIT @2 O - Replaced by 10-79953Q04
(more info)
    UnavailableUnavailable Parts
SCREW KIT Drain 10-79953Q04 10-79953Q04
10-79953Q04OEM Part 10-79953Q04 - Screw Kit - Priced Individually (more info) About Mercury Marine $5.70 $5.70 Add to shopping cart
10+ in stock. Explain stock levels
DRAIN PLUG 18-2244
18-2244OEM Match 18-2244 - Plug Kit, 10-79953A2 (more info) About Sierra Marine $2.99 $2.07 Add to shopping cart
10+ in stock. Explain stock levels
SCREW-DRAIN Note: must be ordered in multiples of 2   10 79953K04 10-79953K04
10-79953K04OEM Part 10-79953K04 - Drain Screw - Priced Individually (more info) About Mercury Marine $5.70 $5.70 Add to shopping cart
1 in stock. Explain stock levels
#32 12-20260 WASHER, GREASE FILLER SCREW (1 required per assembly)
WASHER @15        O - Replaced by 12-19183 12-20260
12-20260This part has been superseded. WASHER @15 O - Replaced by 12-19183
(more info)
    UnavailableUnavailable Parts
12191832 12-19183 12-19183
12-19183OEM Part 12-19183 - Washer-BLK - Priced Individually (more info) About Mercury Marine $0.80 $0.80 Add to shopping cart
10+ in stock. Explain stock levels
WASHER-ORAN @15   O - Replaced by 12-19183  3 12-19183  2
12-19183 2This part has been superseded. WASHER-ORAN @15 O - Replaced by 12-19183 3
(more info)
    UnavailableUnavailable Parts
SEAL 12-19183  3 12-19183 3
12-19183 3OEM Part 12-19183 3 - Seal -Blue - Priced Individually (more info) About Mercury Marine $1.00 $1.00 Add to shopping cart
10+ in stock. Explain stock levels
DRAIN GASKET 18-2945-9
18-2945-9OEM Match 18-2945-9 - Gasket 12-19183 2-Pack (more info)
Replaces OEM #0307552
About Sierra Marine $2.78 $1.52 Add to shopping cart
10+ in stock. Explain stock levels
SEAL (4) Note: must be ordered in multiples of 2   12 19183Q02 12-19183Q02
12-19183Q02OEM Part 12-19183Q02 - Seals, Pack of 4 (more info) About Mercury Marine $5.00 $5.00 Add to shopping cart
Available to order:
Usually ships
within 8 days
SEAL (4) Note: must be ordered in multiples of 2   12 19183K02 12-19183K02
12-19183K02OEM Part 12-19183K02 - Seal, Pack of 4 (more info) About Mercury Marine $5.00 $5.00 Add to shopping cart
Available to order:
Usually ships
within 8 days
#- 27-68938A75 GASKET SET ( required per assembly)
GASKET SET        O - Replaced by 27-77586A78  
27-68938A75This part has been superseded. GASKET SET O - Replaced by 27-77586A78
(more info)
    UnavailableUnavailable Parts
GASKET SET,NLA 27-77586A78  
27-77586A78OEM Part 27-77586A78 - Gasket Set (more info) About Mercury Marine $22.00 $22.00 Add to shopping cart
1 in stock. Explain stock levels