Large gasket OD variation · Large gasket ID variation
Bypass presence unknown on one or both filters
K&N HP-1003 Oil Filter Cross Reference
Use this page to compare the K&N HP-1003 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-1003 cross reference
- HP-1003 cross reference
- HP-1003 oil filter cross reference
- K&N HP-1003 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-1003 Reference filter | Bosch 3311Best Match Score: 84 COMPATIBLE Large gasket OD variation · Large gasket ID variation | Score: 84 COMPATIBLE Large gasket OD variation · Large gasket ID variation | Score: 80.5 COMPATIBLE Large gasket OD variation · Large gasket ID variation | Score: 78.5 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 | 63 mm | 63 mm | 63 mm | 62.87 mm | 63 mm |
| Gasket ID | 52 mm | 52 mm | 52 mm | 55.19 mm | 55 mm |
| Can OD | 70 mm | 68 mm | 68 mm | 68.2 mm | 68.3 mm |
| Height | 84 mm | 89.41 mm | 89.41 mm | 86.41 mm | 75.7 mm |
| Internal bypass valve | Unknown | Yes | Yes | Yes | Yes |
| Bypass PSID | Unknown | 14 - 18 | 12 - 15 | 13 - 19 | 8 - 11 |
| 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
78.5
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
78.5
score
COMPATIBLERelated compatible filter pages
Frequently asked questions
What replaces K&N HP-1003?
Several oil filter alternatives may be compatible with K&N HP-1003, 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-1003?
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-1003?
Sometimes, but only if thread compatibility, gasket seating, bypass behavior, and physical clearance are all acceptable for the application.