10 bestRoyal Purple Engine Additivesof December 2024
112M consumers helped this year.
1
Red Line (60103) Complete SI-1 Fuel System Cleaner - 15 Ounce
Red Line
10.0
2
Liqui Moly 2037 Pro-Line Engine Flush - 500 Milliliters
Liqui Moly
10.0
3
Royal Purple 05520 API-Licensed SAE 5W-20 High Performance Synthetic Motor Oil, 5-Gallon Pail
Royal Purple
9.7
4
Royal Purple 11722 Max-Clean Fuel System Cleaner and Stabilizer, 20-Ounce Bottle
Royal Purple
9.4
5
Royal Purple 11487 High Performance Engine Break-in Oil, 1 Quart
Royal Purple
9.1
Other
Royal Purple 36530-6PK HPS 5W-30 Synthetic Motor Oil with Synerlec Additive Technology, 1 Quart Bottle, Case of 6
Royal Purple 31250 HPS Street Synthetic Motor Oil 20W50 Pack of 6 Quarts
Royal Purple ROY11757 MAX Boost, 16 fl oz
Royal Purple 11748 HMX SAE 5W-30 High-Mileage Synthetic Motor Oil, 5 Quart
6
Royal Purple 04154 API-Licensed SAE 15W-40 High Performance Synthetic Motor Oil - 1 gal. (Case of 3)
Royal Purple
8.8
7
Royal Purple 36520-6PK 36520-6PK HPS 5W-20 Synthetic Motor Oil with Synerlec Additive Technology, 1 Quart Bottle, Case of 6
Royal Purple
8.5
8
Royal Purple 1530 Engine Oil SAE 5W30 (0.95l/1qt), 1 (Non-Carb Compliant)
Royal Purple
8.2
9
Royal Purple 36140-6PK HPS 10W-40 Synthetic Motor Oil with Synerlec Additive Technology, 1 Quart Bottle, Case of 6
Royal Purple
7.9
10
Royal Purple 51530 API-Licensed SAE 5W-30 High Performance Synthetic Motor Oil - 5 qt., Model:ROY51530
Royal Purple
7.6
Related Reviews You Might Like
Best Reviews Guide Newsletter
Get exclusive articles, recommendations, shopping tips, and sales alerts
Sign up for our newsletter to receive weekly recommendations about seasonal and trendy products
Thank you for subscribing!
By submitting your email address you agree to our Terms and Conditions and Privacy Policy