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

1767 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
Vertex 55232 Crankcase Oil Seal Kit
$12.24
$12.24
Crankcase Oil Seal Kits.Vehicle Fitment:2002 Arctic Cat 500 4x4 Auto FIS 2002-2006 Arctic Cat 500 4x4 Auto TBX 2003-2006 Arctic Cat 500 4x4 Auto TRV 2008 Arctic Cat 500 4x4 Auto TRV 1977-1978 Moto-...
5% Off
Wiseco B6062 Crankshaft Seal Kit
$33.21
$33.21
$34.95
High quality oil seals designed for the needs of todays high RPM engines. A must to replace when your engine is apart.Vehicle Fitment:2006-2015 Honda CRF250R 2007-2009 Honda CRF250X 2012-2013 Honda...
8% Off
Wsm 010-539 OEM Connecting Rod Kit
$81.60
$81.60
$88.89
Includes rod, top bearing, thrust washers, bottom end cage bearing and crank pin when required.Vehicle Fitment:2000-2004 Polaris Virage 2002-2004 Polaris Virage I 2000-2001 Polaris Virage TX 2001-2...
Wsm 40-131 Crankshaft Oil Seal
$9.06
$9.06
High quality oil seals designed for the needs of todays high RPM engines. High chromium content stainless steel alloy spring for maximum performance and corrosion resistance. A must to replace when...
S&S Cycle 31-4057 Pinion Shaft Bearing - White
$49.56
$49.56
H-D# 24659-87. Sold individually.Vehicle Fitment:1996-2003 Harley Davidson XL1200C Sportster 1200 Custom 1996-2003 Harley Davidson XL1200S Sportster 1200 Sport 1999-2003 Harley Davidson XL883C Spo...
S&S Cycle 31-4018 Right Main Bearing Assembly - Blue
$58.56
$58.56
Replacement OEM #24643-87A. Replacement right main bearing assemblies for Super Stock crankcases. Sold each. Made in the USA.Vehicle Fitment:1958-1964 Harley Davidson FL 1958-1964 Harley Davidson ...
S&S Cycle 31-4017 Right Main Bearing Assembly - Red
$66.60
$66.60
Replacement OEM #24641-87A. Replacement right main bearing assemblies for Super Stock crankcases. Sold each. Made in the USA.Vehicle Fitment:1958-1964 Harley Davidson FL 1958-1964 Harley Davidson ...
10% Off
Wossner P2039 Connecting Rod
$136.31
$136.31
$152.00
Designed to fit OEM bearing and crank pin. For best results use corresponding Wssner piston kit. Connecting rod only; bearing and pin not included.Vehicle Fitment:1998-2004 Kawasaki KX500
40% Off
Spi SM-09377 Crank Web
$98.56
$98.56
$163.95
OEM#3007-881. Crank Web.Vehicle Fitment:2010-2011 Arctic Cat CFR 8 2010-2011 Arctic Cat Crossfire 8 2010 Arctic Cat Crossfire 800 EFI 2010 Arctic Cat Crossfire 800 EFI Limited 2010-2011 Arctic Cat...
30% Off
Spi SM-09339 Rod Kit - MAG and PTO
$82.55
$82.55
$117.95
Made to OEM specs from SCM420 shot peened forged chromoly steel.Vehicle Fitment:2018 Arctic Cat M 8000 Mountain Cat 153 2018 Arctic Cat M 8000 Mountain Cat 162 2018 Arctic Cat M 8000 Sno Pro 153 20...
13% Off
Eastern Motorcycle Parts 45-0215 Sprocket Shaft Bearing Kit
$113.64
$113.64
$129.95
Kit includes two 8972 thrust washers, one 24605-07 bearing, 35114-02 retaining ring and one race. Bearing race available separately. Made in the U.S.A..Vehicle Fitment:1957-1959 Harley Davidson XL ...
Eastern Motorcycle Parts A-8905 Mainshaft Needle Bearing For 4-Speed Big Twin
$34.44
$34.44
Sold each.Vehicle Fitment:1977-1981 Harley Davidson FLH Electra Glide 1979-1981 Harley Davidson FLHC Electra Glide Classic 1980-1981 Harley Davidson FLHS Electra Glide Sport 1977-1978 Harley Davids...
Eastern Motorcycle Parts A-9058 Inner Cam Needle Bearing
$39.44
$39.44
High quality, better than OE replacement bearing. Sold each.Vehicle Fitment:1958-1964 Harley Davidson FLH Duo-Glide 1970-1985 Harley Davidson FLH Electra Glide 1965-1969 Harley Davidson FLHB Electr...
Eastern Motorcycle Parts A-24648-77 Pinion Shaft Bearing
$54.56
$54.56
Made in the USA.Vehicle Fitment:1986 Harley Davidson XLH1100 1986 Harley Davidson XLH883 1986 Harley Davidson XLH883DLX Sportster 883 Deluxe
Eastern Motorcycle Parts A-9063 Outer Primary Housing Starter Shaft Bearing
$24.61
$24.61
OEM or better quality. Sold individually.Vehicle Fitment:1978-1984 Harley Davidson FLH Electra Glide 1979-1981 Harley Davidson FLHC Electra Glide Classic 1980-1981 Harley Davidson FLHS Electra Glid...
5% Off
All Balls 24-1125 Crankshaft Bearing Kit
$145.03
$145.03
$152.66
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 ...
7% Off
Namura Technologies RX-30004 Connecting Rod Kit
$94.34
$94.34
$100.95
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...
37% Off
Namura Technologies RX-90002 Connecting Rod Kit
$120.58
$120.58
$189.95
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...
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