Description
K&N oil filter. Manufacturer part number KN-157.
WPS part number 56-0157.
K&N oil filter. Manufacturer part number KN-157.
WPS part number 56-0157.
WPS lists this part for the following vehicles. Match your exact model and year.
Follow the position, mounting and installation notes in the product description. Modified vehicles may require different parts.
| Years | Make | Model |
|---|---|---|
| 2005–2009 | Beta | 400 RR |
| 2005–2009 | Beta | 450 RR |
| 2005–2009 | Beta | 525 RR |
| 2003 | KTM | 250 EXC |
| 2003–2005 | KTM | 250 EXC-F |
| 2004–2005 | KTM | 250 EXC-G Racing |
| 2000–2006 | KTM | 400 EXC 4-Stroke |
| 2001–2002 | KTM | 400 MXC 4-Stroke |
| 1999–2002 | KTM | 400 SX 4-Stroke |
| 2007 | KTM | 400 XC-W 4-Stroke |
| 2003–2007 | KTM | 450 EXC-F |
| 2003–2005 | KTM | 450 MXC 4-Stroke |
| 2004 | KTM | 450 SM-S 4-Stroke |
| 2005–2007 | KTM | 450 SMR 4-Stroke |
| 2003–2006 | KTM | 450 SX-F |
| 2008–2010 | KTM | 450 XC ATV |
| 2007–2008 | KTM | 450 XCF-W |
| 2000–2002 | KTM | 520 EXC 4-Stroke |
| 2000–2002 | KTM | 520 MXC 4-Stroke |
| 2000–2002 | KTM | 520 SX 4-Stroke |
| 2003–2007 | KTM | 525 EXC 4-Stroke |
| 2006–2007 | KTM | 525 EXC-G Racing |
| 2003–2005 | KTM | 525 MXC 4-Stroke |
| 2004–2006 | KTM | 525 SMR 4-Stroke |
| 2003–2006 | KTM | 525 SX 4-Stroke |
| 2008–2010 | KTM | 525 XC ATV |
| 2006–2007 | KTM | 525 XC-G 4-Stroke |
| 2007 | KTM | 525 XC-W 4-Stroke |
| 2001–2006 | KTM | 540 SXS |
| 2006–2007 | KTM | 560 SMR 4-Stroke |
| 1997 | KTM | 620 Comp Limited |
| 1994–1997 | KTM | 620 EXC |
| 1997–1998 | KTM | 620 Lc4 |
| 1995–1998 | KTM | 620 RXC |
| 1994–2001 | KTM | 620 SC |
| 1996–1999 | KTM | 620 SX |
| 1997 | KTM | 620 SXC |
| 1998–2001 | KTM | 620 Super Moto |
| 1998 | KTM | 620 TXC |
| 2004–2006 | KTM | 625 SMC |
| 2003–2004 | KTM | 625 SXC |
| 2002–2005 | KTM | 660 SMC |
| 2008–2011 | KTM | 690 Duke |
| 2008 | KTM | 690 Enduro |
| 2009–2011 | KTM | 690 Enduro R |
| 2008–2011 | KTM | 690 SMC |
| 2007–2008 | KTM | 690 Supermoto |
| 2008–2009 | Polaris | Outlaw 450 Mxr |
| 2007–2011 | Polaris | Outlaw 525 Irs |
| 2008–2010 | Polaris | Outlaw 525 S |
Source: WPS vehicle-fitment data · WPS part 56-0157 · Checked November 11, 2026.
| Weight | 0.1 lbs |
|---|---|
| Dimensions | 2.37 × 2.37 × 2.37 in |
Check your owner’s manual for oil grade and capacity.



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