New to Powersport Superstore? Try our Year-Make-Model search and find the right parts for your ride by clicking "My Garage" on the upper-right! ➡

Engine - Crankcase Components

1693 products
Powersport Superstore is your go-to source for Engine - Crankcase Components and related parts. Shop our unbeatable selection of Crankcase Components with top-tier service, fast shipping, and great prices.
Brand Show all Brand
Vehicle Type Show all Vehicle Type
Price
  • -
Show all Price
Vehicle Fitment Combos Show all Vehicle Fitment Combos
3% Off
Cometic Gasket C7653 Crank Seal Kit
$21.33
$21.33
$21.95
Oil seals meet and exceed OEM specifications..Vehicle Fitment:1983-2002 Honda CR80R 1996-2002 Honda CR80RB Expert 2003-2007 Honda CR85R 2003-2007 Honda CR85RB Expert
Eastern Motorcycle Parts B-SP-6-RS Connecting Rod Roller Set - +.001in
$29.56
$29.56
H-D# 9446A, 9160A. Includes short and long rollers. Sold in a set. Made in the USA.Vehicle Fitment:1957-1959 Harley Davidson XL 1958 Harley Davidson XLC 1958-1979 Harley Davidson XLCH 1972-1985 Ha...
Eastern Motorcycle Parts O-6-001 Cam Cover Breather Pipe - Chrome
$36.84
$36.84
OEM #24912-52A. High-quality OEM replacement. Chrome finish.Vehicle Fitment:1977-1978 Harley Davidson XLCR Cafe Racer
6% Off
Namura Technologies RA-50006 Connecting Rod Kit
$58.49
$58.49
$61.95
Center to center (mm): 136.5. Small end bore (mm): 22. Big end bore (mm): 45. Small end width (mm): 22. Big end width (mm): 22. Pin Dia. (mm): 37. Pin lenght (mm): 73.8. Small end bearing (mm): N/R...
53% Off
Spi SM-09365 Crank Web
$62.83
$62.83
$133.95
Crank Web.Vehicle Fitment:2002 Polaris 440 Pro X Fan 2003-2006 Polaris 550 Classic 2014-2018 Polaris 550 INDY 2014-2018 Polaris 550 INDY 144 2014-2018 Polaris 550 INDY Adventure 144 2015-2018 Polar...
Pro-X 23.6201-2RS Camshaft Bearing
$17.14
$17.14
Camshaft Bearing by Pro-X.Vehicle Fitment:2003-2005 KTM 250 EXC 4-Stroke 2005-2007 KTM 450 SMR 2000-2002 KTM 520 EXC 2000-2002 KTM 520 SX 2004-2005 KTM 525 SMR 2006-2007 KTM 560 SMR
51% Off
Spi SM-09342 Rod Kit - MAG
$168.40
$168.40
$345.95
Replaces OEM # 2205687. Made to OEM specs from SCM420 shot peened forged chromoly steel.Vehicle Fitment:2012 Polaris 600 IQ Racer 2015-2018 Polaris 600 SwitchBack PRO-S 2014-2016 Polaris 800 INDY ...
31% Off
Namura Technologies RW-10003 Connecting Rod Kit
$59.56
$59.56
$85.95
Kit includes connecting rod, wrist pin, top and bottom bearings, washers where needed. Connecting rod forged from premium chromoly steel with double honing on top and bottom bearing holes for smoot...
42% Off
Spi SM-09350 Crank Web
$165.44
$165.44
$284.95
Type 1. Replaces OEM # 2203584. Includes rod kit and web.. Crank Web.Vehicle Fitment:2008 Polaris 600 Dragon IQ 2009 Polaris 600 Dragon SP 2008-2010 Polaris 600 Dragon SwitchBack 2009 Polaris 600 ...
Pro-X 10.6221 Crankshaft
$307.28
$307.28
High-quality forged connecting rod kit. Meet or exceed OEM crankshafts in performance and durability.Vehicle Fitment:2001-2015 KTM 125 SX
7% Off
Namura Technologies RX-20014 Connecting Rod Kit
$81.43
$81.43
$87.95
Kit includes connecting rod, wrist pin, top and bottom bearings, washers where needed. Connecting rod forged from premium chromoly steel with double honing on top and bottom bearing holes for smoot...
11% Off
Namura Technologies RX-10012 Connecting Rod Kit
$104.63
$104.63
$116.95
Kit includes connecting rod, wrist pin, top and bottom bearings, washers where needed. Connecting rod forged from premium chromoly steel with double honing on top and bottom bearing holes for smoot...
Eastern Motorcycle Parts A-9422-13 Crankcase Roller Bearings - Right Side - +.0002in.
$26.19
$26.19
H-D#9422. Pack of 13. Made in the USA.Vehicle Fitment:1955-1957 Harley Davidson FL 1955-1957 Harley Davidson FLF 1955-1957 Harley Davidson FLH Hydra-Glide 1955-1957 Harley Davidson FLHF 1957-1959 ...
Eastern Motorcycle Parts B-SP-7-RS Connecting Rod Roller Set - +.002in
$31.31
$31.31
H-D# 9417, 9418. Includes short and long rollers. Sold in a set. Made in the USA.Vehicle Fitment:1957-1959 Harley Davidson XL 1958 Harley Davidson XLC 1958-1979 Harley Davidson XLCH 1972-1985 Harl...
Wiseco B5043 Main Bearing - 40x80x18mm
$36.64
$36.64
Wiseco main bearings are manufactured by many of the same suppliers to the OEMs, including leading Japanese manufacturers, and are inspected for accuracy, function, and cleanliness for efficient an...
Namura Technologies NX-10049CG3 Crankcase
$14.75
$14.75
Meets or exceeds the original manufacturer specifications. OEM replacement Gasket.Vehicle Fitment:2017-2018 Honda CRF450R 2017-2018 Honda CRF450RX
5% Off
All Balls 24-2044 Crankshaft Bearing Kit
$29.26
$29.26
$30.80
Seals feature a carbon-fluorocarbon pad on the lip face and a stainless steel garter spring to enhance dry-start performance and reduce shaft wear. Kits contain two bearings. 2-stroke kits include ...
Pro-X 42.5507 Crankshaft Oil Seal Kit
$51.95
$51.95
Save $$ over OEM pricing. OEM quality. All seals necessary for complete crank rebuild included.Vehicle Fitment:1997-2001 Sea-Doo GS 1997-1998 Sea-Doo GSI 1996-2005 Sea-Doo GTI 1995-2001 Sea-Doo GTS...
Secure, Trusted, and Encrypted

Protected by industry-leading 256-bit SSL encryption and backed by Shopify’s PCI DSS–compliant infrastructure. Every page, click, and transaction is encrypted and monitored for threats — so you can shop with confidence knowing your data stays protected.

Parts for Every Machine

We stock aftermarket parts, gear and accessories for motorcycles, ATVs, UTVs, snowmobiles, personal watercraft, and even performance cars — all backed by expert support and live inventory.

Real-Time Fitment Accuracy

Search by Year, Make, and Model with confidence. Our proprietary vehicle fitment system ensures you’re only shown what fits — no guesswork, no returns — just parts that fit.

Fast, Trackable Shipping

We ship from over 20 U.S. warehouses — often same or next business day. Every order includes tracking and transparent fulfillment updates from start to finish, all processed through a secure, encrypted checkout.

Quick Links

Ride With Us. Stay Connected.

Follow us for real-time fitment updates, gear drops, and pro tips from the garage. No spam, just parts, tech, and news for riders like you.

Your Garage

Add a Vehicle