Red Line 15W40 Diesel is a fully synthetic, high-ZDDP motor oil for medium and heavy-duty diesel truck engines, popular in light-duty diesels including Chevrolet Duramax, Dodge Cummins and Ford Power Stroke. Improved drain intervals deliver strong value for commercial fleets; meets API CK-4/CJ-4/CI-4 Plus/CF/CH-4/CF-4 and SM/SL/SJ/SH/SG/CF, ACEA A3/B3/B4 E7/E9, MB 228.1/228.31. Case of four 1-gallon containers.
| Viscosity (SAE) | 15W-40 (Diesel) |
| Type | Fully synthetic, high-ZDDP diesel oil |
| Approvals | API CK-4/CJ-4/CI-4 Plus/CF/CH-4/CF-4, SM/SL; ACEA E7/E9 A3/B3/B4; MB 228.1/228.31 |
| Size | 1 Gallon (4 Pack) |
| Part Number | 21405 |
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Returns: 30-day returns on new, unused items in original packaging. See the full Refund Policy.
