Four-Stroke Engine Oil
Four-stroke engine oils for lawn tractors, mowers, generators and other garden equipment, offered in mid-range and premium viscosity formulations to protect engines and reduce deposits. The category includes oils from brands such as Valvoline and averages about (price varies) across eight indexed products with a 4.76 average rating
Top Products
Valvoline high mileage motor oil 5W-20 1 qt case of 6
Valvoline
Budget
Valvoline High Mileage 150K Motor Oil 5W-30 1 QT (case of 6)
Valvoline
Budget
John Deere 2-Quarts Turf-Gard SAE 10W-30 Oil with AM125424 Filter
John Deere
Budget
Turf-Gard 32 oz. 10W-30 Oil TY22029 (pack of 4) by John Deere
John Deere
Budget
Valvoline High Mileage 150K 5W-30 Motor Oil 5 QT (case of 3)
Valvoline
Mid-Range
Valvoline High Mileage 150K Motor Oil 10W-30 5 QT (Case of 3)
Valvoline
Mid-Range
Valvoline high-mileage motor oil 5W-20, 5 qt case of 3
Valvoline
Mid-Range
Briggs & Stratton 15W-50 Engine Oil Change Kit
Briggs & Stratton
Mid-RangeRoundups
- Best Four-Stroke Engine Oil for High-Mileage Engines (2026)
- Best Four-Stroke Engine Oil for Vehicles With 150K+ Miles (2026)
- Best Four-Stroke Engine Oil for High-Mileage Vehicles (2026)
- Best Four-Stroke Engine Oil Under $200 (2026)
- Best Four-Stroke Engine Oil Under $100 (2026)
- Best Four-Stroke Engine Oil Under $50 (2026)
- Best Four-Stroke Engine Oil (2026 Guide)