Large gasket OD variation · Large gasket ID variation
Baldwin B173-S Oil Filter Cross Reference
Use this page to compare the Baldwin B173-S 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.
11 total results
| Specification | Searched filter Baldwin B173-S Reference filter | WIX 51381Best Match Overall match: 88% SAFE | Overall match: 87% SAFE | Overall match: 87% SAFE | Overall match: 79% COMPATIBLE |
|---|---|---|---|---|---|
| Thread size | M20x1.5 | M20x1.5 | M20x1.5 | M20x1.5 | M20x1.5 |
| Gasket OD | 71.4 mm | 71.98 mm 94% | 71.4 mm 100% | 71 mm 96% | 70.4 mm 89% |
| Gasket ID | 62.7 mm | 62.53 mm 97% | 62.7 mm 100% | 62 mm 89% | 62.2 mm 92% |
| Gasket overlap | Reference | Compared to base 100% | Compared to base 100% | Compared to base 100% | Compared to base 100% |
| Height | 82.6 mm | 80 mm 95% | 98.4 mm 20% | 95 mm 48% | 105.66 mm 20% |
| Bypass PSID | 20 | 12 - 15 40% | 20 100% | Unknown Unknown | 14 - 18 70% |
| 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
Large gasket OD variation · Large gasket ID variation
Large gasket OD variation · Large gasket ID variation
74%
match
COMPATIBLELarge gasket OD variation · Large gasket ID variation
73%
match
COMPATIBLELarge gasket OD variation · Large gasket ID variation
73%
match
COMPATIBLELarge gasket OD variation · Large gasket ID variation
Large gasket OD variation · Large gasket ID variation
67%
match
COMPATIBLERelated compatible filter pages
Frequently asked questions
What replaces Baldwin B173-S?
Several oil filter alternatives may be compatible with Baldwin B173-S, 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 Baldwin B173-S?
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 Baldwin B173-S?
Sometimes, but only if thread compatibility, gasket seating, bypass behavior, and physical clearance are all acceptable for the application.
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