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

1828 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
Eastern Motorcycle Parts A-24918-58 Breather Nipple
$15.16
$15.16
H-D#24918-58. Breather Nipple. Sold each.Vehicle Fitment:1958-1964 Harley Davidson FL 1958-1964 Harley Davidson FLF 1958-1964 Harley Davidson FLH Duo-Glide 1958-1964 Harley Davidson FLHF
6% Off
S&S Cycle 33-4141 Pinion Gear - Orange
$106.06
$106.06
$112.95
H-D#34040-78. High-quality pinion gears are carefully machined, heat treated and then finish ground. Each size is color-coded to match a stock equivalent gear. Gears from the middle of the range a...
15% Off
Wossner P4072 Connecting Rod
$148.25
$148.25
$174.00
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:2015-2023 Yamaha WR250F 2014-2023 ...
15% Off
Hot Rods CBK0003 Bottom End Kit
$605.16
$605.16
$711.95
Hot Rods Bottom End kits include everything needed to complete crankshaft installation:. Hot Rods main bearings and seals kit (Main seals included when applicable). Complete engine gasket set inclu...
15% Off
Hot Rods CBK0037 Stroker Bottom End Kit (+4mm, 460cc)
$626.41
$626.41
$736.95
Important: Must use Vertex Stroker piston 23610A.. Hot Rods Bottom End kits include everything needed to complete crankshaft installation:. Stroker kit crankshafts increase length of stroke as lis...
39% Off
Spi SM-09135 Rod Kit - MAG and PTO
$65.68
$65.68
$106.95
Center to Center (mm): 125. Small End Bore (mm): 22. Big End Bore (mm): 30. Small End Width (mm): 17. Big End Width (mm): 17. Crank Pin Diameter (mm): 24. Crank Pin Length (mm): 52. Big End Bearing...
Eastern Motorcycle Parts B-LATE-7-RS Connecting Rod Roller Bearing Set - +.002in.
$21.88
$21.88
Exact replacement bearings. Made in the USA. Set of 17 Long/34 Short Rollers.Vehicle Fitment:1941-1947 Harley Davidson E 1941-1947 Harley Davidson EL 1941-1947 Harley Davidson F 1941-1947 Harley Da...
14% Off
Eastern Motorcycle Parts A-9029 Crankcase Main Bearings
$107.13
$107.13
$123.95
H-D#9029. High-quality original Timken bearing assemblies. Set.Vehicle Fitment:1955-1964 Harley Davidson FL 1955-1964 Harley Davidson FLF 1965-1968 Harley Davidson FLFB Electra Glide 1958-1964 Har...
Pro-X 23.6207-26JR Crankshaft Bearing - O.D. - 72mm - I.D. - 35mm - Width - 17mm
$44.28
$44.28
Pinned, 3mm. Save $$ Over OEM pricing. Interchanges directly with OEM parts.
Emgo 14-20900 Crankcase Vent Filter Kit
$22.98
$22.98
High-quality crankcase breather and filters from Emgo. Crankcase breather vents filter kit features a one-piece, chrome-top filter, hose clamp and die-cast mounting base; accepts 3/8in i.d. hose. R...
15% Off
Standard Motor Products MCCPS1 Crankshaft Sensor
$49.38
$49.38
$57.95
Advanced circuitry provides immunity from EMI, such as stray electromagnetic fields, power spikes and static electricity. Meets ISO standards. Fluorocarbon rubber oil seal ensures a secure fit. Sea...
9% Off
Pro-X 03.2251 Connecting Rod Kit
$99.99
$99.99
$109.95
PRO-X Connecting Rod Kits are made out of the toughest alloys available today. O.E. specifications and tolerances are meticulously maintained. PRO-X Connecting Rod Kits come with Crankpin, Big-End ...
10% Off
Pro-X 23.CBS63001 Crankshaft Bearing and Seal Kit
$122.99
$122.99
$135.95
Manufactured by the leading OEM factories. Made to exact OEM specifications to offer maximum performance and durability. Complete bearing and seal kit per application for easy replacement. Can be u...
Colony 7411-2 Sprocket Shaft Seals
$26.50
$26.50
36-54 Big Twin (Snap Ring Included). OEM# 24776-40. Sprocket Shaft Seals.Vehicle Fitment:1936-1952 Harley Davidson EL 1941-1950 Harley Davidson F 1941-1954 Harley Davidson FL 1953-1954 Harley Davi...
Pro-X 23.6328C3 Crankshaft Bearing - O.D. - 68mm - I.D. - 28mm - Width - 18mm
$33.25
$33.25
Save $$ Over OEM pricing. Interchanges directly with OEM parts.Vehicle Fitment:1984-1985 Honda CR250R 1987-1989 Honda TRX250R 1988-2021 Yamaha YZ250 2016-2021 Yamaha YZ250X
5% Off
All Balls 24-1030 Crank Bearing and Seal Kit
$79.27
$79.27
$83.44
OEM-matched, high-quality bearing and seal kit. Feature Koyo precision Japanese crank bearings. Crankshaft seals feature a carbon/fluorocarbon pad on seal lip and stainless steel garter springs to ...
12% Off
Wiseco WPC163 Complete Bottom End Rebuild Kit
$338.90
$338.90
$384.95
SPECIFICATIONS. Stroke: 54.5mm. ITEM CONTENTS. B5009 - Main Bearing 22 x 56 x 16mm. Crankshaft. Includes crankshaft, main bearings, complete bottom end gasket set, including all seals and gaskets ...
Pro-X 03.1090 Connecting Rod Kit
$55.84
$55.84
PRO-X Connecting Rod Kits are made out of the toughest alloys available today. O.E. specifications and tolerances are meticulously maintained. PRO-X Connecting Rod Kits come with Crankpin, Big-End ...
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