Does the Mobil 1-M1-113A Fit the 2018 Chevrolet Silverado 1500 5.3L?
Compatibility Details
CONFIRMED FIT
The Fram Extra Guard PH3614 fits the 2018 Chevrolet Silverado 1500. Thread and gasket specs verified.
The Fram Extra Guard PH3614 fits the 2018 Chevrolet Silverado 1500. Thread and gasket specs verified.
Thread size: match. Gasket diameter: match. The 1-M1-113A fits the 2018 Chevrolet Silverado 1500. I’ve laid out the full comparison below so you can see exactly why this works.
| Specification | 1-M1-113A | 2018 Chevrolet Silverado 1500 5.3L Requires | Match? |
|---|---|---|---|
| Thread Size | M20x1.5 | M20x1.5 | ✓ |
| Gasket OD | 65 mm | 65 mm | ✓ |
| Filter Height | 85 mm | — | — |
| Filter Diameter | 76 mm | — | — |
| Anti-Drainback Valve | Yes | Recommended | ✓ |
| Bypass Valve (PSI) | 11 | 8–12 | ✓ |
Hand-tighten until gasket contacts housing, then 3/4 turn more. No thread tape needed on metric threads.
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That’s the full picture. If something doesn’t look right, report an error and I’ll investigate.