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, and application-specific requirements.
Best equivalent matches
The searched filter is shown alongside the four strongest alternatives currently in the database. Compare dimensions, thread details, and compatibility notes before deciding whether a substitute may be appropriate.
| Specification | Searched filter K&N HP-2004 Reference filter | Champ PH48Best Match Overall match: 98% SAFE | Overall match: 98% SAFE | Overall match: 97% SAFE | Overall match: 96% SAFE |
|---|---|---|---|---|---|
| Thread size | 3/4-16 | 3/4-16 | 3/4-16UNF | 3/4-16 | 3/4-16 |
| Gasket OD | 71 mm | 70.4 mm 93% | 71 mm 100% | 71 mm 100% | 70.1 mm 90% |
| Gasket ID | 62 mm | 62.2 mm 97% | 61.5 mm 92% | 61.7 mm 95% | 62.5 mm 92% |
| Gasket overlap | Reference | Compared to base 100% | Compared to base 100% | Compared to base 100% | Compared to base 100% |
| Height | 104 mm | 104.9 mm 100% | 103.12 mm 100% | 98.55 mm 88% | 104.9 mm 100% |
| Bypass PSID | Unknown | 15 Unknown | 12 Unknown | 32 Unknown | 14 Unknown |
| Anti-drainback valve | Yes | Yes 100% | Yes 100% | Yes 100% | Yes 100% |
| ID top | Unknown | Unknown N/A | Unknown N/A | Unknown N/A | Unknown N/A |
| ID bottom | Unknown | Unknown N/A | Unknown N/A | Unknown N/A | Unknown N/A |
Other suitable matches
Related 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.
More K&N filters
- K&N HP-1001 oil filter cross reference
- K&N HP-1002 oil filter cross reference
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- K&N HP-1004 oil filter cross reference
- K&N HP-1005 oil filter cross reference
- K&N HP-1006 oil filter cross reference
- K&N HP-1007 oil filter cross reference
- K&N HP-1008 oil filter cross reference