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Gaskets, Oil Seals & Engine Hardware

Keep your engine sealed, secure, and running the way it should with our Gaskets, Oil Seals, and Engine Hardware collection. This is where you’ll find the essentials that prevent leaks, maintain proper compression, and keep everything bolted together correctly, from top-end rebuilds to routine maintenance. Every part is selected for proper fitment on vintage Honda CB models, so you can wrench with confidence and get your bike back on the road without guesswork.

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Oil Pan Gasket (Early) - VintageCB750

Oil Pan Gasket (Early)

$6.34
18-7012
Engine Engine: Gaskets, Oil Seals & Engine Hardware Series 1 Model: Honda CB750K Motorcycle Parts (1969) Series 1: CB750 (69-78)
Oil Pan Gasket (Early Type), OEM # 11398-300-307 Fits: Honda CB750K (1969) to engine # 1007414Part Number: 18-7012
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High Performance Kibblewhite Cylinder Stud Nuts Pk/16 - VintageCB750

High Performance Kibblewhite Cylinder Stud Nuts Pk/16

$179.93
18-7005
Engine Engine: Gaskets, Oil Seals & Engine Hardware Series 1: CB750 (69-78)
High Performance Kibblewhite Black Oxide Finish Cylinder Stud Nuts Set/16. Made in the USA by Kibblewhite who have been making High Quality Performance parts...
New
Overhaul Gasket Set 18 - 0098 - VintageCB750

Overhaul Gasket Set 18-0098

$63.86
18-0098
Engine Engine: Gaskets, Oil Seals & Engine Hardware New Items Series 6: CB500-CB550 (71-78) Series 7: CB400-CB450 (65-86)
Engine Overhaul Gasket Set Fits: Honda CB500T (1975-76) Fits: Honda CB450K (1965-74) - 5 Speed Models Only, CL450K (1968-74) Part Number: 18-0098
Valve Cover Gasket 12 - 1023 - VintageCB750

Valve Cover Gasket 12-1023

$36.36
12-1023
Engine Engine: Gaskets, Oil Seals & Engine Hardware Series 5: CB650 (79-82) Series 6: CB500-CB550 (71-78)
Valve Cover Gasket - Fibre Type - Replaces OEM # 12391-ME5-306 / 12391-ME5-000 Fits: Honda CB650SC (1983-85) Nighthawk Fits: Honda CB550SC (1983) Nighthawk Part...
New
Engine Oil Seal Kit (01 - 9926) - VintageCB750

Engine Oil Seal Kit (01-9926)

$20.09
01-9926
Engine Engine: Gaskets, Oil Seals & Engine Hardware New Items
Refresh critical engine sealing points with this Engine Oil Seal Kit (7 Pieces), designed to replace common oil seals used in the engine assemblies...
Oil Pump Shaft Seal - VintageCB750

Oil Pump Shaft Seal - 25 x 47 x 10

$12.74
73-0967
Engine Engine: Gaskets, Oil Seals & Engine Hardware Series 2: CB750 (79-82) Series 3: CB700-750SC (82-86) Series 4: CB900-1100 (80-83)
Oil Pump Shaft Seal - 25 x 47 x 10 - Replaces OEM # 91257-425-013 High Quality Made in Japan. Fits: Honda CB750K (1979-82),...
Crankshaft Seal - VintageCB750

Crankshaft Seal - 25 x 42 x 8

$9.50
73-0966
Engine Engine: Gaskets, Oil Seals & Engine Hardware Series 2: CB750 (79-82) Series 3: CB700-750SC (82-86) Series 4: CB900-1100 (80-83)
Crankshaft Seal - 25 x 42 x 8 - Replaces OEM # 91201-425-003 High Quality Made in Japan. Fits: Honda CB750K (1979-82), CB750L (1979)...
Crank Seal - VintageCB750

Crank Seal - 30 x 42 x 8

$6.34
73-0960
Engine Engine: Gaskets, Oil Seals & Engine Hardware Series 1: CB750 (69-78) Series 5: CB650 (79-82) Series 6: CB500-CB550 (71-78) Series 8: CB350-CB400 (72-77)
Crank Seal - 30 x 42 x 8 - Replaces OEM # 91201-300-003 High Quality Made in Japan. Fits: Honda CB750K (1969-78), CB750F (1975-78)...
Oil Pump Gasket - VintageCB750

Oil Pump Gasket

$2.16
73-1196
Engine Engine: Gaskets, Oil Seals & Engine Hardware Engine: Oil Filters, Drain Plugs, Oil Pump & Gauges Series 10: CB72-CB250 (59-85) Series 2 Model: CB750C (1980) Custom Series 2 Model: CB750C (1981) Series 2 Model: CB750C (1982) Series 2 Model: CB750F (1979) Supersport Series 2 Model: CB750F (1980) Series 2 Model: CB750F (1981) Series 2 Model: CB750F (1982) Series 2 Model: CB750K (1979) Standard Series 2 Model: CB750K (1980) Series 2 Model: CB750K (1981) Series 2 Model: CB750K (1982) Series 2 Model: CB750L (1979) Limited Series 2: CB750 (79-82) Series 3 Model: CB750SC (1982) Nighthawk Series 3 Model: CB750SC (1983) Series 3: CB700-750SC (82-86) Series 4: CB900-1100 (80-83)
Ensure a secure, leak-free seal during your engine rebuild or maintenance with this Oil Pump Gasket. Precisely engineered to replace OEM# 15126-107-020, this gasket...
Cylinder Head Gasket - VintageCB750

Cylinder Head Gasket

$39.24
18-6990
Engine Engine: Gaskets, Oil Seals & Engine Hardware Series 1: CB750 (69-78) Series 2 Model: CB750C (1980) Custom Series 2 Model: CB750C (1981) Series 2 Model: CB750C (1982) Series 2 Model: CB750F (1979) Supersport Series 2 Model: CB750F (1980) Series 2 Model: CB750F (1981) Series 2 Model: CB750F (1982) Series 2 Model: CB750K (1979) Standard Series 2 Model: CB750K (1980) Series 2 Model: CB750K (1981) Series 2 Model: CB750K (1982) Series 2 Model: CB750L (1979) Limited Series 2: CB750 (79-82) Series 3: CB700-750SC (82-86) Series 4: CB900-1100 (80-83)
Cylinder Head Gasket - OEM Ref.# 12251-300-050 Fits: Honda CB750K (1969-73)Part Number: 18-6990
Gear Select Case Gasket - VintageCB750

Gear Select Case Gasket

$10.51
18-7021
Engine Engine: Gaskets, Oil Seals & Engine Hardware Series 1: CB750 (69-78)
Gear Select Case Gasket, Replaces OEM # 11396-393-306 Fits: Honda CB750A (1976-78) HondamaticPart Number: 18-7021
Oil Pump Gasket 18 - 7008 - VintageCB750

Oil Pump Gasket 18-7008

$5.98
18-7008
Engine Engine: Gaskets, Oil Seals & Engine Hardware Series 1 Model: Honda CB750A Motorcycle Parts (1976) Hondamatic Series 1 Model: Honda CB750A Motorcycle Parts (1977) Series 1 Model: Honda CB750A Motorcycle Parts (1978) Series 1 Model: Honda CB750F Motorcycle Parts (1975) Series 1 Model: Honda CB750F Motorcycle Parts (1976) Series 1 Model: Honda CB750F Motorcycle Parts (1977) Series 1 Model: Honda CB750F Motorcycle Parts (1978) Series 1 Model: Honda CB750K Motorcycle Parts (1969) Series 1 Model: Honda CB750K Motorcycle Parts (1970) Series 1 Model: Honda CB750K Motorcycle Parts (1971) Series 1 Model: Honda CB750K Motorcycle Parts (1972) Series 1 Model: Honda CB750K Motorcycle Parts (1973) Series 1 Model: Honda CB750K Motorcycle Parts (1974) Series 1 Model: Honda CB750K Motorcycle Parts (1975) Series 1 Model: Honda CB750K Motorcycle Parts (1976) Series 1 Model: Honda CB750K Motorcycle Parts (1977) Series 1 Model: Honda CB750K Motorcycle Parts (1978) Series 1 Model: Honda CB750P Motorcycle Parts (1978) Series 1 Model: Honda CB750P Police Motorcycle Parts (1976) Series 1: CB750 (69-78)
Oil Pump Gasket - OEM # 15135-300-010 Fits: All Honda CB750's (1969-78)Part Number: 18-7008
Athena Gasket Set (Top End Set Only) 18 - 0433 - VintageCB750

Athena Gasket Set (Top End Set Only) 18-0433

$169.85
18-0433
Engine Engine: Gaskets, Oil Seals & Engine Hardware Series 4: CB900-1100 (80-83)
Athena Top End Gasket Set - Fits: Honda CB900C (1980-82) Custom, CB900F (1981-82) Supersport Sets made by Athena of Italy the European original equipment...
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Athena Overhaul Gasket Set 18 - 0202 - VintageCB750

Athena Overhaul Gasket Set 18-0202

$172.73
18-0202
Engine Engine: Gaskets, Oil Seals & Engine Hardware Series 5: CB650 (79-82)
Athena Overhaul Engine Gasket Set Fits: Honda CB650 (1979-82), CB650C (1980-81) Custom, CB650SC (1982) Nighthawk Sets made by Athena of Italy - original equipment...
New
Overhaul Gasket Set 18 - 0097 - VintageCB750

Overhaul Gasket Set 18-0097

$29.81
18-0097
Engine Engine: Gaskets, Oil Seals & Engine Hardware New Items Series 10: CB72-CB250 (59-85)
Engine Overhaul Gasket Set Fits: Honda CB125S (1973-75)Part Number: 18-0097
New
Clutch Ball Retainer - 99 - 4850 - VintageCB750

Clutch Ball Retainer

$16.13
99-4850
Engine Engine: Gaskets, Oil Seals & Engine Hardware New Items Series 9: CB350-CB360 (69-75)
Restore crisp clutch engagement and reliable function with this Clutch Ball Retainer — designed to replace OEM #22860‑286‑000 on a variety of classic Honda...
Cylinder Head Gasket 18 - 6996 - VintageCB750

Cylinder Head Gasket 18-6996

$64.73
18-6996
Engine Engine: Gaskets, Oil Seals & Engine Hardware Series 6: CB500-CB550 (71-78)
Cylinder Head Gasket - OEM # 12251-374-306 Fits: Honda CB500K (1971-73), CB550K (1974-78), CB550F (1975-77) SupersportPart Number: 18-6996
Cylinder Base Gasket 18 - 6993 - VintageCB750

Cylinder Base Gasket 18-6993

$16.99
18-6993
Engine Engine: Gaskets, Oil Seals & Engine Hardware Series 5: CB650 (79-82) Series 6: CB500-CB550 (71-78)
Cylinder Base Gasket - OEM # 12191-426-306 Fits: Honda CB650 (1979-82), CB650C (1980-81) Custom, CB650SC (1982) Nighthawk Fits: Honda CB500K (1971-73), CB550K (1974-78), CB550F...
Cylinder Head Gasket 18 - 6992 - VintageCB750

Cylinder Head Gasket 18-6992

$63.86
18-6992
Engine Engine: Gaskets, Oil Seals & Engine Hardware Series 5: CB650 (79-82)
Cylinder Head Gasket - OEM # 12251-426-306 Fits: All Honda CB650 (1979-82), CB650C (1980-81) Custom, CB650SC (1982) NighthawkPart Number: 18-6992
Overhaul Gasket Set 18 - 0440 - VintageCB750

Overhaul Gasket Set 18-0440

$133.13
18-0440
Engine Engine: Gaskets, Oil Seals & Engine Hardware Series 5: CB650 (79-82)
Overhaul Engine Gasket Set Fits: Honda CB650 (1979-82), CB650C (1980-81) Custom, CB650SC (1982) NighthawkPart Number: 18-0440
Athena Gasket Set (Top End Set Only) 18 - 0434 - VintageCB750

Athena Gasket Set (Top End Set Only) 18-0434

$146.81
18-0434
Engine Engine: Gaskets, Oil Seals & Engine Hardware Series 5: CB650 (79-82)
Athena Top End Gasket Set - Fits: Honda CB650 (1979-82), CB650C (1980-81) Custom, CB650SC (1982) Nighthawk Sets made by Athena of Italy the European...
Athena Overhaul Gasket Set 18 - 0121 - VintageCB750

Athena Overhaul Gasket Set 18-0121

$211.61
18-0121
Engine Engine: Gaskets, Oil Seals & Engine Hardware Series 4: CB900-1100 (80-83)
Athena Overhaul Gasket Set Fits: Honda CB1100F (1983) Supersport Sets made by Athena of Italy - original equipment supplier to Yamaha, Honda, Kawasaki, Suzuki...
Athena Overhaul Gasket Set 18 - 0116 - VintageCB750

Athena Overhaul Gasket Set 18-0116

$230.40
18-0116
Engine Engine: Gaskets, Oil Seals & Engine Hardware Series 4: CB900-1100 (80-83)
Athena Overhaul Gasket Set Fits: Honda CB900C (1980-82) Custom, CB900F (1981-82) Supersport Sets made by Athena of Italy - original equipment supplier to Yamaha,...
Athena Overhaul Gasket Set 18 - 0108 - VintageCB750

Athena Overhaul Gasket Set 18-0108

$226.01
18-0108
Engine Engine: Gaskets, Oil Seals & Engine Hardware Series 5: CB650 (79-82) Series 6: CB500-CB550 (71-78)
Athena Overhaul Engine Gasket Set Fits: Honda CB550SC (1983) Nighthawk Fits: Honda CB650SC (1983-85) Nighthawk Sets made by Athena of Italy - original equipment...
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