Baldwin Filters BF971 Spin-On Fuel Filter 2-Pack
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This listing is for two (2) new Baldwin Filters BF971 spin-on fuel filters, a heavy-duty secondary (final) fuel filter designed for diesel engines in agricultural, construction, and on-highway truck applications. The BF971 features a 1-12 UN thread mount, a cellulose filter media, and a synthetic rubber seal, with a rated maximum working pressure of 75 PSI and a filter area of approximately 102 sq in. Baldwin rates this filter for compatibility with Caterpillar, Case, International Harvester, and various other OEM diesel platforms that spec a secondary spin-on fuel element of this dimension. Both units are new-old-stock, still in original factory plastic wrap as visible in the photos, with no signs of damage or use; the spin-on base shows a clean gasket sealing surface and standard inlet/outlet port configuration confirmed in the bottom-view photo.
Product Specifications
| Brand | Baldwin Filters |
| Part Number (MPN) | BF971 |
| Quantity | 2 filters (2-pack) |
| Filter Type | Spin-On Fuel Filter |
| Filter Service | Secondary (Final) Fuel |
| Thread Size | 1-12 UN |
| Outside Diameter (OD) | 4.156 in (105.6 mm) |
| Overall Length (OAL) | 7.375 in (187.3 mm) |
| Filter Media | Cellulose |
| Max Working Pressure | 75 PSI |
| Gasket/Seal Material | Nitrile (Buna-N) |
| Bypass Valve | None |
| Fuel Type | Diesel |
| Condition | New |