SMALL END 18x22x24 BEARING, PROX 21.4305 MADE IN JAPAN
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ProX Piston Pin Small End Bearing 18x22x24 with 14 rollers. Manufactured by leading Japanese OEM factories and designed to exact OEM specifications for a direct and cost-efficient replacement. Made in Japan. Part number 21.4305.
- SKU
- 56-881.PROX
- Brand
- Pro-X Racing
- Availability
- In Stock (1)
Fitments (197)
| Make | Model | Year |
|---|---|---|
| HUSQVARNA | CR 360 | 1992 |
| HUSQVARNA | CR 360 | 1993 |
| HUSQVARNA | CR 360 | 1994 |
| HUSQVARNA | CR 360 | 1995 |
| HUSQVARNA | CR 360 | 1996 |
| HUSQVARNA | CR 360 | 1997 |
| HUSQVARNA | CR 360 | 1998 |
| HUSQVARNA | CR 360 | 1999 |
| HUSQVARNA | CR 360 | 2000 |
| HUSQVARNA | CR 360 | 2001 |
| HUSQVARNA | CR 360 | 2002 |
| HUSQVARNA | CR 360 | 2003 |
| HUSQVARNA | CR 360 | 2004 |
| HUSQVARNA | CR 360 | 2005 |
| HUSQVARNA | WR 360 | 1992 |
| HUSQVARNA | WR 360 | 1993 |
| HUSQVARNA | WR 360 | 1994 |
| HUSQVARNA | WR 360 | 1995 |
| HUSQVARNA | WR 360 | 1996 |
| HUSQVARNA | WR 360 | 1997 |
| HUSQVARNA | WR 360 | 1998 |
| HUSQVARNA | WR 360 | 1999 |
| HUSQVARNA | WR 360 | 2000 |
| HUSQVARNA | WR 360 | 2001 |
| HUSQVARNA | WR 360 | 2002 |
| KAWASAKI | JS (JS) 300 | 1986 |
| KAWASAKI | JS (JS) 300 | 1987 |
| KAWASAKI | JS (JS) 300 | 1988 |
| KAWASAKI | KDX 250 | 1980 |
| KAWASAKI | KDX 250 | 1981 |
| KAWASAKI | KDX 250 | 1982 |
| KAWASAKI | KDX 250 | 1983 |
| KAWASAKI | KDX 250 | 1984 |
| KAWASAKI | KDX 250 | 1990 |
| KAWASAKI | KDX 250 | 1991 |
| KAWASAKI | KDX 250 | 1992 |
| KAWASAKI | KDX 250 | 1993 |
| KAWASAKI | KDX 250 | 1994 |
| KAWASAKI | KDX 250 | 1995 |
| KAWASAKI | KDX 250 | 1996 |
| KAWASAKI | KDX 250 | 1997 |
| KAWASAKI | KX 250 | 1978 |
| KAWASAKI | KX 250 | 1979 |
| KAWASAKI | KX 250 | 1980 |
| KAWASAKI | KX 250 | 1981 |
| KAWASAKI | KX 250 | 1982 |
| KAWASAKI | KX 250 | 1983 |
| KAWASAKI | KX 250 | 1984 |
| KAWASAKI | KX 250 | 1985 |
| KAWASAKI | KX 250 | 1986 |
| KAWASAKI | KX 250 | 1987 |
| KAWASAKI | KX 250 | 1988 |
| KAWASAKI | KX 250 | 1989 |
| KAWASAKI | KX 250 | 1990 |
| KAWASAKI | KX 250 | 1991 |
| KAWASAKI | KX 250 | 1992 |
| KAWASAKI | KX 250 | 1993 |
| KAWASAKI | KX 250 | 1994 |
| KAWASAKI | KX 250 | 1995 |
| KAWASAKI | KX 250 | 1996 |
| KAWASAKI | KX 250 | 1997 |
| KAWASAKI | KX 250 | 1998 |
| KAWASAKI | KX 250 | 1999 |
| KAWASAKI | KX 250 | 2000 |
| KAWASAKI | KX 250 | 2001 |
| KAWASAKI | KX 250 | 2002 |
| KAWASAKI | KX 250 | 2003 |
| KAWASAKI | KX 250 | 2004 |
| KAWASAKI | KX 250 | 2005 |
| KAWASAKI | KX 250 | 2006 |
| KAWASAKI | KX 250 | 2007 |
| KAWASAKI | KX 250 | 2008 |
| KAWASAKI | KX 250 | 2009 |
| KAWASAKI | KXF 250 | 1987 |
| KAWASAKI | KXF 250 | 1988 |
| KAWASAKI | KXF Tecate 4 250 | 1987 |
| KAWASAKI | KXF Tecate 4 250 | 1988 |
| KAWASAKI | KXT 250 | 1984 |
| KAWASAKI | KXT 250 | 1985 |
| KAWASAKI | KXT 250 | 1986 |
| KAWASAKI | KXT 250 | 1987 |
| KAWASAKI | SC JL 650 | 1991 |
| KAWASAKI | SC JL 650 | 1992 |
| KAWASAKI | SC JL 650 | 1993 |
| KAWASAKI | SC JL 650 | 1994 |
| KAWASAKI | SC JL 650 | 1995 |
| KAWASAKI | SX JS 300 | 1987 |
| KAWASAKI | SX JS 300 | 1988 |
| KAWASAKI | SX JS 300 | 1989 |
| KAWASAKI | SX JS 300 | 1990 |
| KAWASAKI | SX JS 300 | 1991 |
| KAWASAKI | SX JS 650 | 1987 |
| KAWASAKI | SX JS 650 | 1988 |
| KAWASAKI | SX JS 650 | 1989 |
| KAWASAKI | SX JS 650 | 1990 |
| KAWASAKI | SX JS 650 | 1991 |
| KAWASAKI | SX JS 650 | 1992 |
| KAWASAKI | SX JS 650 | 1993 |
| KAWASAKI | TS 650 | 1989 |
| KAWASAKI | TS 650 | 1990 |
| KAWASAKI | TS 650 | 1991 |
| KAWASAKI | TS 650 | 1992 |
| KAWASAKI | TS 650 | 1993 |
| KAWASAKI | TS 650 | 1994 |
| KAWASAKI | TS 650 | 1995 |
| KAWASAKI | TS 650 | 1996 |
| KAWASAKI | X-2 (JS ) 650 | 1986 |
| KAWASAKI | X-2 (JS ) 650 | 1987 |
| KAWASAKI | X-2 (JS ) 650 | 1988 |
| KAWASAKI | X-2 (JS ) 650 | 1989 |
| KAWASAKI | X-2 (JS ) 650 | 1990 |
| KAWASAKI | X-2 (JS ) 650 | 1991 |
| KAWASAKI | X-2 (JS ) 650 | 1992 |
| KAWASAKI | X-2 (JS ) 650 | 1993 |
| KAWASAKI | X-2 (JS ) 650 | 1994 |
| KAWASAKI | X-2 (JS ) 650 | 1995 |
| MAICO | GS 250 | 1973 |
| MAICO | GS 250 | 1974 |
| MAICO | GS 250 | 1975 |
| MAICO | GS 250 | 1976 |
| MAICO | GS 250 | 1977 |
| MAICO | GS 250 | 1978 |
| MAICO | GS 250 | 1979 |
| MAICO | GS 250 | 1980 |
| MAICO | GS 250 | 1981 |
| MAICO | GS 490 | 1980 |
| MAICO | GS 490 | 1981 |
| MAICO | GS 490 | 1982 |
| MAICO | GS 490 | 1983 |
| MAICO | GS 490 | 1984 |
| MAICO | GS 490 | 1985 |
| MAICO | GS 490 | 1986 |
| MAICO | GS 490 | 1987 |
| MAICO | GS 490 | 1988 |
| MAICO | GS 490 | 1989 |
| MAICO | GS 490 | 1990 |
| MAICO | GS 490 | 1991 |
| MAICO | GS 490 | 1992 |
| MAICO | GS 490 | 1993 |
| MAICO | GS 490 | 1994 |
| MAICO | GS 490 | 1995 |
| MAICO | GS 490 | 1996 |
| MAICO | GS 490 | 1997 |
| MAICO | GS 490 | 1998 |
| MAICO | GS 490 | 1999 |
| MAICO | GS 490 | 2000 |
| MAICO | GS 490 | 2001 |
| MAICO | GS 490 | 2002 |
| MAICO | MC 250 | 1973 |
| MAICO | MC 250 | 1974 |
| MAICO | MC 250 | 1975 |
| MAICO | MC 250 | 1976 |
| MAICO | MC 250 | 1977 |
| MAICO | MC 250 | 1978 |
| MAICO | MC 250 | 1979 |
| MAICO | MC 250 | 1980 |
| MAICO | MC 250 | 1981 |
| MAICO | MC 250 | 1986 |
| MAICO | MC 250 | 1987 |
| MAICO | MC 250 | 1988 |
| MAICO | MC 250 | 1989 |
| MAICO | MC 250 | 1990 |
| MAICO | MC 250 | 1991 |
| MAICO | MC 250 | 1992 |
| MAICO | MC 250 | 1993 |
| MAICO | MC 250 | 1994 |
| MAICO | MC 250 | 1995 |
| MAICO | MC 250 | 1996 |
| MAICO | MC 250 | 1997 |
| MAICO | MC 250 | 1998 |
| MAICO | MC 250 | 1999 |
| MAICO | MC 250 | 2000 |
| MAICO | MC 250 | 2001 |
| MAICO | MC 250 | 2002 |
| MAICO | MC 490 | 1980 |
| MAICO | MC 490 | 1981 |
| MAICO | MC 490 | 1982 |
| MAICO | MC 490 | 1983 |
| MAICO | MC 490 | 1984 |
| MAICO | MC 490 | 1985 |
| MAICO | MC 490 | 1986 |
| MAICO | MC 490 | 1987 |
| MAICO | MC 490 | 1988 |
| MAICO | MC 490 | 1989 |
| MAICO | MC 490 | 1990 |
| MAICO | MC 490 | 1991 |
| MAICO | MC 490 | 1992 |
| MAICO | MC 490 | 1993 |
| MAICO | MC 490 | 1994 |
| MAICO | MC 490 | 1995 |
| MAICO | MC 490 | 1996 |
| MAICO | MC 490 | 1997 |
| MAICO | MC 490 | 1998 |
| MAICO | MC 490 | 1999 |
| MAICO | MC 490 | 2000 |
| MAICO | MC 490 | 2001 |
| MAICO | MC 490 | 2002 |
- General Product Group
- Crankshafts & Parts
- General Product Type
- Small End Bearing
- Variant Id
- 252077
FULL DESCRIPTION
ProX Piston Pin Small End Bearing - 18x22x24mm
This ProX Piston Pin Small End Bearing is designed to meet exact OEM specifications, providing a direct and cost-efficient replacement for your motorcycle, ATV, PWC, or scooter. Manufactured by leading Japanese OEM factories, these bearings ensure high-quality performance and durability.
- Dimensions: 18mm x 22mm x 24mm
- Construction: Features 14 rollers for smooth operation.
- Origin: Made in Japan, signifying quality manufacturing.
- Application: Suitable for a wide range of Dirtbike, ATV, PWC, and 50cc/scooter applications.
- OEM Replacement: Designed as a direct replacement for Original Equipment Manufacturer parts.
ProX offers a comprehensive line of piston pin bearings, readily available from stock, ensuring you can quickly get the parts you need to keep your vehicle running smoothly.
QUESTIONS? JUST ASK
Talk to John or Phil. Real people, Monday to Friday, 10:00 to 17:00 (UK time).
Check the fitment table on this page against your make, model and year. Not sure? Call or email us and we will check it for you before you order.
Yes. We ship from the UK. Orders ship within 3 working days, then delivery to the United States takes 5–8 business days. The delivery price is shown at checkout before you pay. Delivery details
Yes. You have 14 days from delivery to return it, unused and in its original packaging. Contact us first and we will send you the return instructions. Returns policy
By card, PayPal, Apple Pay or Google Pay, or spread the cost with Klarna. Payment is taken securely by Stripe, and the options for your order are shown at checkout.
Any customs duties or import taxes charged in the United States are paid by you when the parcel arrives. Any tax we collect ourselves is shown at checkout before you pay.
More answers in our FAQ.
Trade pricing available
Buying parts for your business? Apply for a 2BrosParts trade account.


