Large gasket OD variation · Large gasket ID variation
Bypass presence unknown on one or both filters
K&N HP-2004 Oil Filter Cross Reference
Use this page to compare the K&N HP-2004 with potentially compatible oil filters from other brands. Review thread size, gasket dimensions, overall height, and fitment notes before substituting. A cross reference is a research tool, not an automatic guarantee of fitment.
Before substituting: verify filter style, thread size or cartridge dimensions, gasket dimensions, height, clearance, bypass behavior, and application-specific requirements.
Also searched as
- K&N HP-2004 cross reference
- HP-2004 cross reference
- HP-2004 oil filter cross reference
- K&N HP-2004 replacement
Best equivalent matches
Select up to 4 filters, then click Compare to view their specs next to the searched filter.
8 compatible options
| Specification | Searched filter K&N HP-2004 Reference filter | Champ PH400Best Match Score: 88 COMPATIBLE Large gasket OD variation · Large gasket ID variation | Score: 88 COMPATIBLE Large gasket OD variation · Large gasket ID variation | Score: 88 COMPATIBLE Large gasket OD variation · Large gasket ID variation | Score: 88 COMPATIBLE Large gasket OD variation · Large gasket ID variation |
|---|---|---|---|---|---|
| Thread size | 3/4-16 | 3/4-16 | 3/4-16 | 3/4-16 | 3/4-16 |
| Gasket OD | 71 mm | 70.1 mm | 70.4 mm | 70.1 mm | 70.36 mm |
| Gasket ID | 62 mm | 62.5 mm | 62.2 mm | 62.5 mm | 62.38 mm |
| Can OD | 93 mm | 93.73 mm | 93.73 mm | 93.73 mm | 93.04 mm |
| Height | 104 mm | 104.9 mm | 104.9 mm | 104.9 mm | 106.5 mm |
| Internal bypass valve | Unknown | Yes | Yes | No | Yes |
| Bypass PSID | Unknown | 14 | 15 | Unknown | 30 |
| Anti-drainback valve | Yes | Yes | Yes | Yes | Yes |
| ID top | Unknown | Unknown | Unknown | Unknown | Unknown |
| ID bottom | Unknown | Unknown | Unknown | Unknown | Unknown |
Other suitable matches
Large gasket OD variation · Large gasket ID variation
Bypass presence unknown on one or both filters
86
score
COMPATIBLELarge gasket OD variation · Large gasket ID variation
Bypass presence unknown on one or both filters
Large gasket OD variation · Large gasket ID variation
Bypass presence unknown on one or both filters
86
score
COMPATIBLERelated compatible filter pages
Frequently asked questions
What replaces K&N HP-2004?
Several oil filter alternatives may be compatible with K&N HP-2004, but you should always verify thread dimensions, gasket sealing dimensions, bypass behavior, anti-drainback valve requirements, and installation clearance before substituting.
How do I confirm a cross reference for K&N HP-2004?
Compare thread size, thread pitch, gasket outside diameter, gasket inside diameter, can height, bypass pressure range, and anti-drainback valve requirements before using a substitute.
Can I use a different-size oil filter instead of K&N HP-2004?
Sometimes, but only if thread compatibility, gasket seating, bypass behavior, and physical clearance are all acceptable for the application.