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Transmission and Drivetrain Motorcycle Parts | eHarleyParts.com - A Division of Signature Cycles

Transmission and Drivetrain

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Find New Old Stock (NOS) and used Harley-Davidson and Aftermarket Transmission, Primary Drive and Belt/Chain Drive Parts and Accessories right here. Sort through the categories or use the search function by part number or keyword.

Primary Fluids

Primary Fluids

Transmission Fluids

Transmission Fluids

Big Twin Primary Drive

Big Twin Primary Drive

Sportster Primary Drive

Sportster Primary Drive

Big Twin Transmission

Big Twin Transmission

Sportster Transmission

Sportster Transmission

Big Twin Clutch

Big Twin Clutch

Sportster Clutch

Sportster Clutch

V-Rod Primary, Transmission, and Clutch

V-Rod Primary, Transmission, and Clutch

Chains and Sprockets

Chains and Sprockets

Belts and Pulleys

Belts and Pulleys

Shifter Parts

Shifter Parts

Gaskets, Seals, O-Rings

Gaskets, Seals, O-Rings

Hardware Kits

Hardware Kits

Products

Redline V-Twin Primary Case Oil

Redline V-Twin Primary Case Oil

$14.49
Model # 42904

   
22T Compensating Sprocket

22T Compensating Sprocket

$49.99
Model # 40280-70

 
Primary Chain Tensioner Spring

Primary Chain Tensioner Spring

$4.99
Model # 40019-77

 
Motor Sprocket 24T 55-71 FLH

Motor Sprocket 24T 55-71 FLH

$49.99
Model # 40211-55

 
Wet Clutch Backing Plate

Wet Clutch Backing Plate

$19.99
Model # 38016-57

 
24T Compensating Sprocket

24T Compensating Sprocket

$79.99
Model # 40275-55A

"45" Clutch Stud

"45" Clutch Stud

$4.99
Model # 37584-41

 
Clutch Releasing Disc Nut Retainer

Clutch Releasing Disc Nut Retainer

$2.99
Model # 37499-71

 
Clutch Release Rod, Left

Clutch Release Rod, Left

$19.99
Model # 37280-67

 
Big Twin Kick Starter Clutch Spring

Big Twin Kick Starter Clutch Spring

$4.99
Model # 33391-39

Mainshaft 1st Gear (5-Speed)

Mainshaft 1st Gear (5-Speed)

$89.99
Model # 35025-79B

 
Countershaft 1st Gear (5-Speed)

Countershaft 1st Gear (5-Speed)

$89.99
Model # 35622-79C

 
Shift Lever 77-85 XL

Shift Lever 77-85 XL

$49.99
Model # 34606-75

 
Mainshaft Oil Seal/Retainer 52-84 XL

Mainshaft Oil Seal/Retainer 52-84 XL

$7.99
Model # 35150-52

 
Shift Lever 74-84 FL, 80-84 FXWG

Shift Lever 74-84 FL, 80-84 FXWG

$49.99
Model # 33660-74A

   
Kick Starter Crank Bumper Plate

Kick Starter Crank Bumper Plate

$9.99
Model # 33353-78

   
Lock Tab, 52-79 XL Kick Starter Crank

Lock Tab, 52-79 XL Kick Starter Crank

$1.99
Model # 33362-52

 
Kicker Pedal Pin Bushing

Kicker Pedal Pin Bushing

$4.99
Model # 33213-31

     
Shifter Pawl Spring L79-86 4-Speeds

Shifter Pawl Spring L79-86 4-Speeds

$4.99
Model # 33199-79

Stud, 5/16-18, 5/16-24, 1-1/2" long

Stud, 5/16-18, 5/16-24, 1-1/2" long

$4.99
Model # 33298-65

     
     
 
Chrome Chain Guard, 1954-1971 XLCH

Chrome Chain Guard, 1954-1971 XLCH

$49.99
Model # 27-0103

 
.200" Sprocket Spacer, 2000-Up

.200" Sprocket Spacer, 2000-Up

$9.99
Model # 7805-5050

 
 
Chrome Lower Belt Guard 91-03 XL

Chrome Lower Belt Guard 91-03 XL

$49.99
Model # DS-325119

   
NUT, TEE, BELTGUARD MTG, SFTL,

NUT, TEE, BELTGUARD MTG, SFTL,

$1.50
Model # 7669

O-RING

O-RING

$0.95
Model # 11106

 
O-RING

O-RING

$1.00
Model # 11110

 
O-RING

O-RING

$0.95
Model # 11115

 
SEAL, QUAD

SEAL, QUAD

$0.95
Model # 11118

O-RING

O-RING

$0.95
Model # 11137

 
O-RING

O-RING

$0.95
Model # 11162

 
O-RING

O-RING

$0.95
Model # 11166

 
O-RING

O-RING

$0.95
Model # 11176

O-RING

O-RING

$0.50
Model # 11364

 
OIL SEAL

OIL SEAL

$3.00
Model # 12010

 
OIL SEAL

OIL SEAL

$5.10
Model # 12047

 
O-RING

O-RING

$0.95
Model # 11168A

GASKET SERVICE KIT, 1K, 5K, & 10K

GASKET SERVICE KIT, 1K, 5K, & 10K

$17.45
Model # 17361-05

 
KEY, SPROCKET SHAFT

KEY, SPROCKET SHAFT

$2.60
Model # 23985-12

 
NUT

NUT

$11.00
Model # 24003-55

 
RAMP, INNER

RAMP, INNER

$11.75
Model # 25604-00

O-RING

O-RING

$1.00
Model # 27360-76

 
OIL SEAL

OIL SEAL

$1.00
Model # 29603-48

 
GASKET, COVER

GASKET, COVER

$1.75
Model # 31461-70

 
GASKET, STARTER MOTOR

GASKET, STARTER MOTOR

$1.00
Model # 31488-81

GASKET, STARTER MOTOR COVER

GASKET, STARTER MOTOR COVER

$2.30
Model # 31471-67A

 
GASKET KIT, TRANSMISSION

GASKET KIT, TRANSMISSION

$54.00
Model # 33031-65A

 
GASKET KIT, TRANSMISSION

GASKET KIT, TRANSMISSION

$51.45
Model # 33031-80

 
OIL SEAL

OIL SEAL

$2.00
Model # 35231-36

   
THRUST WASHER, 4 SPD XL, .107

THRUST WASHER, 4 SPD XL, .107

$6.60
Model # 35358-82

 
Thrust Washer, 4 Speed XL

Thrust Washer, 4 Speed XL

$4.90
Model # 35363-52

OIL SEAL

OIL SEAL

$0.95
Model # 37339-53

 
OIL SEAL

OIL SEAL

$4.10
Model # 37741-67

 
GASKET, CLUTCH COVER

GASKET, CLUTCH COVER

$2.45
Model # 37762-52

 
CLUTCH DRIVE PLATE

CLUTCH DRIVE PLATE

$8.25
Model # 37992-71TA

CONNECTING LINK

CONNECTING LINK

$5.20
Model # 40026-77

 
OIL SEAL

OIL SEAL

$3.75
Model # 41210-55

 
SPROCKET, 47T

SPROCKET, 47T

$99.90
Model # 41480-79T

 
GSKT STR-PRI 70-E79 XLCH

GSKT STR-PRI 70-E79 XLCH

$1.75
Model # DS-174072

CORK GASKET, DERBY COVER

CORK GASKET, DERBY COVER

$1.75
Model # 60565-36

 
DRAIN PLUG

DRAIN PLUG

$1.75
Model # 706A

   
     
AFM PRIMARY COVER GASKET 94-06 FLT

AFM PRIMARY COVER GASKET 94-06 FLT

$28.95
Model # 20111487

   
AFM PRIMARY COVER GASKET 80-93 FLT

AFM PRIMARY COVER GASKET 80-93 FLT

$28.95
Model # 20111490

 
AFM PRIMARY COVER GASKET 86-90 XL

AFM PRIMARY COVER GASKET 86-90 XL

$19.95
Model # 20111491

AFM PRIMARY COVER GASKET 91-03 XL

AFM PRIMARY COVER GASKET 91-03 XL

$19.95
Model # 20111492

 
AFM INSPECTION COVER GASKET 86-06 FL

AFM INSPECTION COVER GASKET 86-06 FL

$6.95
Model # 20111494

 
AFM INSPECTION COVER GASKET 65-06 FX

AFM INSPECTION COVER GASKET 65-06 FX

$4.95
Model # 20111495

 
EK530SROZ CLIP-STYLE MASTER LINK

EK530SROZ CLIP-STYLE MASTER LINK

$6.95
Model # K185197

     
 
Release Lever (Finger Shaft), 4 Speed

Release Lever (Finger Shaft), 4 Speed

$79.99
Model # 37074-38A

   
Derby Cover, Chrome, V-Rod

Derby Cover, Chrome, V-Rod

$29.95 $19.99
Model # 25371-02

Clutch Cylinder Cover, V-Rod

Clutch Cylinder Cover, V-Rod

$19.95 $9.99
Model # 34809-02

 
Chrome Billet Derby Cover, V-Rod

Chrome Billet Derby Cover, V-Rod

$69.95 $39.99
Model # 25421-04

   
Transmission Sprocket Spacer, 1986 FXR

Transmission Sprocket Spacer, 1986 FXR

$24.99
Model # 33347-86

   
SHIFTER FORK SHAFT

SHIFTER FORK SHAFT

$9.95
Model # 34088-87

 
SHIFTER FORK, MAINSHAFT

SHIFTER FORK, MAINSHAFT

$9.95
Model # 34158-36T

SHIFTER FORK, COUNTERSHAFT

SHIFTER FORK, COUNTERSHAFT

$9.95
Model # 34159-36T

     
     
   
Mainshaft Shifter Clutch, 38-84 Big Twin

Mainshaft Shifter Clutch, 38-84 Big Twin

$49.99
Model # 35440-38T

 
COUNTERSHAFT

COUNTERSHAFT

$16.95
Model # 35614-76T

 
COUNTERSHAFT CLUTCH

COUNTERSHAFT CLUTCH

$29.95
Model # 35665-36TA

 
COUNTERSHAFT GEAR, 2ND

COUNTERSHAFT GEAR, 2ND

$49.99
Model # 35751-36T

 
     
 
Clutch Drive Plate, 1971-Early 1984 XL

Clutch Drive Plate, 1971-Early 1984 XL

$8.25
Model # 37985-71T

 
Primary Chain Tensioner Kit, 1977-1985 XL

Primary Chain Tensioner Kit, 1977-1985 XL

$69.55 $59.99
Model # 39967-77A

 
CORK GASKET, INSPECTION COVER

CORK GASKET, INSPECTION COVER

$1.85
Model # 60567-36

 
Front Sprocket, 22T, 1986 FXR

Front Sprocket, 22T, 1986 FXR

$76.00
Model # 33339-86

 
CLUTCH COVER, V-ROD, BILLET

CLUTCH COVER, V-ROD, BILLET

$74.95
Model # 25426-04

 
   
SHIFTER SHAFT

SHIFTER SHAFT

$165.00
Model # 34628-75

 
Decal, 1972-1976 XL1000 Primary Cover

Decal, 1972-1976 XL1000 Primary Cover

$79.99
Model # 34960-72