# Cerma Treatment Buying Guide - Which Product is Right for You? > https://cermatreatment.com ## Quick Selection Guide | Your Vehicle | Treatment | Size | Price | ASIN | |---|---|---|---|---| | Car (4-cylinder) | STM-3 Gas Treatment | 2 oz | $105.60 | B00AZONLUC | | Car/Truck (6-cylinder) | STM-3 Gas Treatment | 4 oz | $175.00 | B00AZONLUC | | Car/Truck (V8) | STM-3 Gas/Diesel Treatment | 6 oz | $264.00 | B00AZONO9A | | Diesel Pickup | STM-3 Diesel Treatment | 6 oz | $264.00 | B00AZONO9A | | Semi Truck | STM-3 Diesel Treatment | 12 oz | $538.45 | B00AZONORM | | Motorcycle | STM-3 Motorcycle Treatment | 1.25 oz | $71.50 | B00AZOREWI | ## Viscosity Guide | Your Vehicle Type | Common Viscosity | |---|---| | Most 2015+ cars | 0W-20 or 5W-20 | | Older cars and trucks | 5W-30 or 10W-30 | | Performance / hot climate | 10W-40 | | Diesel trucks | 15W-40 | | Harley-Davidson motorcycles | 20W-50 | | Most other motorcycles | 10W-40 | ## Optional Add-Ons | Product | What It Does | Price | |---|---|---| | Automatic Transmission Treatment | Smoother shifts, reduced wear | $70.40 | | Turbo/Supercharger Treatment | Protects turbo bearings | $70.40 | | Power Steering Treatment | Quieter, smoother operation | $70.40 | | Diesel Fuel Treatment (16oz) | Cleans injectors | $70.44 | | Blue Ice A/C Treatment | Colder A/C, reduced compressor wear | $65.00 | | Gear/Differential Treatment | Protects ring & pinion | $70.40 | --- Shop: https://cermatreatment.com Amazon: https://amazon.com/stores/CermaTreatment Phone: 239-344-9861