Baldwin B474 vs Kubota 70000-74034: Oil Filter Compatibility
Compare Baldwin B474 and Kubota 70000-74034 oil filters by compatibility, dimensions, thread size, gasket fit, bypass valve, anti-drainback valve status, and match confidence. Use this comparison as a fitment review, not as an automatic substitution guarantee.
Quick verdict
Large gasket OD variation · Large gasket ID variation
- Thread size is the first hard-fit check for any comparison of spin-on filters.
- Gasket OD and gasket ID are the most important seal-related dimensions.
- Height differences can matter for clearance even when thread and gasket fit appear close.
- Bypass and anti-drainback differences may be important, depending on the application.
Baldwin B474 and Kubota 70000-74034 specifications
| Specification | Baldwin B474 | Kubota 70000-74034 |
|---|---|---|
| Thread size | M20x1.5 | M20x1.5 |
| Gasket OD | 62.7 mm | 64 mm |
| Gasket ID | 54.8 mm | 54 mm |
| Can OD | 76.2 mm | 76.2 mm |
| Height | 89.7 mm | 79.38 mm |
| Internal bypass valve | Yes | Yes |
| Bypass PSID | 8 | 11 - 14 |
| Anti-drainback valve | No | Yes |
What matters most in this comparison?
Thread match: A direct spin-on substitute starts with the same thread size. If the threads differ, the comparison stops there.
Gasket fit: Even when thread size matches, the gasket outside diameter and inside diameter still control whether the filter seals safely against the mounting surface.
Height difference: Small height differences may be acceptable, but longer filters can create clearance problems in tighter installations.
Valve behavior: Bypass and anti-drainback differences can matter in real-world service, especially on cold start or in applications sensitive to oil drain-back.
Related filter pages
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Before substituting, verify thread fit, gasket sealing dimensions, height clearance, bypass behavior, and anti-drainback requirements for your specific application.