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Bypass presence unknown on one or both filters
K&N HP-1003 oil filter matches
Compare K&N HP-1003 against compatible oil filters from other brands. Review thread size, gasket dimensions, height, valve behavior, and fitment notes before substituting. This is a research tool, not an automatic guarantee of fitment.
Before substituting: verify filter style, thread size or cartridge dimensions, gasket dimensions, height and clearance, bypass behavior, and your engine or equipment requirements.
Best equivalent matches
Select up to 4 filters, then click Compare to view their specs next to the searched filter. How matching is scored.
32 compatible options
| Specification | Searched filter K&N HP-1003 Reference filter | Bosch 3311Best Match COMPATIBLE Bypass presence unknown on one or both filters | COMPATIBLE Bypass presence unknown on one or both filters | COMPATIBLE Bypass presence unknown on one or both filters | COMPATIBLE Bypass presence unknown on one or both filters |
|---|---|---|---|---|---|
| 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 | 63.25 mm |
| Gasket ID | 52 mm | 52 mm | 52 mm | 55.19 mm | 51.05 mm |
| Can OD | 70 mm | 68 mm | 68 mm | 68.2 mm | 82.14 mm |
| Height | 84 mm | 89.41 mm | 89.41 mm | 86.41 mm | 81.13 mm |
| Internal bypass valve | Unknown | Yes | Yes | Yes | Yes |
| Bypass PSID | Unknown | 14 - 18 | 12 - 15 | 13 - 19 | 12 - 15 |
| Anti-drainback valve | Yes | Yes | Yes | Yes | Yes |
Other suitable matches
Sorted best-fit first. Dot rating summarizes relative fit without exposing the raw score. How matching is scored.
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Bypass presence unknown on one or both filters
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Bypass presence unknown on one or both filters
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Bypass presence unknown on one or both filters
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Bypass presence unknown on one or both filters
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Bypass presence unknown on one or both filters
1.0/5.0
RISKY15
Bypass presence unknown on one or both filters
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Bypass presence unknown on one or both filters
1.0/5.0
RISKY21
Bypass presence unknown on one or both filters
1.0/5.0
RISKY22
Bypass presence unknown on one or both filters
1.0/5.0
RISKY23
Bypass presence unknown on one or both filters
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Bypass presence unknown on one or both filters
1.0/5.0
RISKY25
Bypass presence unknown on one or both filters
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Bypass presence unknown on one or both filters
1.0/5.0
RISKY27
Bypass presence unknown on one or both filters
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Bypass presence unknown on one or both filters
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Bypass presence unknown on one or both filters ยท ADBV unknown on one or both filters