Auto Parts and Truck Accessories for Cars, Trucks, Motorcycles, Jeep, and More

1-800-603-4383 | Customer Support
We've got your part, no matter what!   Search
 Home  | Truck/SUV/Van  | Motorcycle  | Jeep  | Car  | Classic VW  | Sport Compact  | RV/Camper  | ATV/UTV  | Parts Counter  | Outlet  | New  | Tools/Garage
Car Additives at JC Whitney
Brand:
Price:
Other Features:

Additives

Sort by:

1 - 20 of 32 products   |  Go to page 1 2 Next   |  Show All 
SOLDER-IT™ BATTERY ADDITIVES
SOLDER-IT™ BATTERY ADDITIVES
Increases battery output for easier starts in all temperatures.
Customer Review:Read all 5 reviews
Retail: $17.02 - $116.65
Our Low Price: $10.99 - $70.99 
You Save: $6.03 - $45.66
  BUY BATTERY ADDITIVES  
CATALYTIC CONVERTER CLEANER/DEODORIZER
CATALYTIC CONVERTER CLEANER/DEODORIZER
For all catalytic converters.
Customer Review:Read all 3 reviews
Retail: $18.69
Our Low Price: $12.99 
You Save: $5.70
  BUY CATALYTIC CONVERTER CLEANER & DEODORIZER  
DYNO-TAB® FUEL POWER BOOSTER TABLETS
DYNO-TAB® FUEL POWER BOOSTER TABLETS
Does the work of 5 liquid additives to increase HP up to 3.5% and fuel economy up to 10.3%!
Customer Review:Read all 4 reviews
Retail: $5.99 - $15.21
Our Low Price: $5.99 - $6.99 
You Save: $8.22
  BUY FUEL POWER BOOSTER TABLETS  
STA-BIL FUEL STABILIZERS
STA-BIL FUEL STABILIZERS
STA-BIL Fuel Stabilizers are America's top selling and reliable stabilizers. These stabilizers made from a blend of scientific additives that prevents fuel from deteriorating.
New
Our Low Price: $5.99 - $12.99 
  BUY FUEL STABILIZERS  
DYNO-TAB® FUEL POWER BOOSTER XL TABLETS for TRUCKS
DYNO-TAB® FUEL POWER BOOSTER XL TABLETS for TRUCKS
Does the work of 5 liquid additives to increase HP up to 3.5% and fuel economy up to 10.3%!
Retail: $36.54
Our Low Price: $20.99 
You Save: $15.55
  BUY FUEL POWER BOOSTER TABLETS  
STAR*TRON GASOLINE ADDITIVE
STAR*TRON GASOLINE ADDITIVE
Increases power and performance and stabilizes fuel for up to one year.
Retail: $21.39
Our Low Price: $12.99 
You Save: $8.40
  BUY Gasoline Additive  
ZMAX MICRO-LUBRICANT, ENGINE AND FUEL TREATMENT
ZMAX MICRO-LUBRICANT, ENGINE AND FUEL TREATMENT
Zmax Micro-Lubricant, Engine And Fuel Treatment helps increase gas mileage, Improved performance, extended engine life, reduced emissions, and increased horsepower.
Customer Review:Read the review
Our Low Price: $20.99 - $34.99 
  BUY Zmax Micro-Lubricant, Engine and Fuel Treatment  
PRO BLEND® ENGINE OIL COOL
PRO BLEND® ENGINE OIL COOL
Instantly cools engine oil up to 57° and radiator water up to 7°. Fights friction and heat to help your air conditioning blow cooler, engine run quieter and oil last longer. Doubles the life of lubricated parts and ensures faster cold weather starts.
Retail: $17.28
Our Low Price: $12.99 
  BUY Engine Oil Cool  
PRO BLEND® MORE MILEAGE PLUS GAS BOOSTER
PRO BLEND® MORE MILEAGE PLUS GAS BOOSTER
Fight the cost of gas and increase power and performance—get up to 30% more miles per gallon! Helps restore lost power and move like new again.
Customer Review:Read all 3 reviews
Retail: $21.62 - $50.26
Our Low Price: $17.99 - $43.99 
You Save: $6.27
  BUY More Mileage Plus Gas Booster  
DYNO-TAB® FUEL POWER BOOSTER TABLETS PLUS INJECTOR CLEANER
DYNO-TAB® FUEL POWER BOOSTER TABLETS PLUS INJECTOR CLEANER
Does the work of 5 liquid additives to increase HP up to 3.5% and fuel economy up to 10.3%!
Customer Review:Read all 2 reviews
Retail: $24.09
Our Low Price: $7.99 
You Save: $16.10
  BUY POWER BOOSTER TABLETS PLUS INJECTOR CLEANER  
 RISLONE® COMPRESSION REPAIR WITH RING SEAL
RISLONE® COMPRESSION REPAIR WITH RING SEAL
Repairs engine blow-by and helps restore lost power.
New
Our Low Price: $9.99 
  BUY Compression Repair with Seal Ring  
RUN-RITE SLEDGEHAMMER FUEL SYSTEM ULTRA TREATMENT
RUN-RITE SLEDGEHAMMER FUEL SYSTEM ULTRA TREATMENT
Hit your ride with the "Hammer" and get guaranteed improved fuel economy! Sledgehammer Fuel System Ultra Treatment also helps reduce emissions, restore lost engine power and performance and improve acceleration! Rapidly removes deposit from fuel injectors, intake valves, ports and combustion chambers and is free of damaging alcohol, methanol, aromatic solvents and chlorine.
New
Our Low Price: $21.99 
  BUY Sledgehammer Fuel System Ultra Treatment  
PRO BLEND® STOPS™ OVERHEATING FOR COOLANT SYSTEMS
PRO BLEND® STOPS™ OVERHEATING FOR COOLANT SYSTEMS
Reduces water temperature up to 40° instantly to dramatically extend engine life. Great for vehicles operating under extreme heat conditions (towing, rock crawling, sitting in traffic, climbing, etc.). Maintains coolant temperature at safe 180° to 210°.
Retail: $27.46
Our Low Price: $21.99 
You Save: $5.47
  BUY Stops Overheating for Coolant Systems  
PRO BLEND® TRANS COOL
PRO BLEND® TRANS COOL
Fights friction and dramatically improves lubrication when vehicle is towing climbing, idling in traffic or traveling at high speeds for long periods. Reduces automatic transmission fluid temperature up to 57° to stop excessive wear.
Retail: $17.82
Our Low Price: $12.99 
  BUY Trans Cool  
STA-BIL MARINE FORMULA STABILIZERS
STA-BIL MARINE FORMULA STABILIZERS
STA-BIL Marine Formula Stabilizers are recommended to be used at every fill up, not just for seasonal storage. These stabilizers can be used in all 2 & 4-cycle marine engines, in gasoline, gasoline/oil mixtures and ethanol blends.
New
Our Low Price: $6.99 - $20.99 
  BUY MARINE FORMULA STABILIZERS  
PRO BLEND® DIESEL COOL
PRO BLEND® DIESEL COOL
Dramatically improves lubrication when vehicle is towing, climbing or sitting in traffic. Cools engine up to 57°, turbocharger up to 25° and radiator water up to 7°. Stops friction and wear to let your air conditioning blow cooler. Perfect for most diesel vehicles, boats and industrial equipment.
Retail: $17.50
Our Low Price: $12.99 
  BUY Diesel Cool  
STAR*TRON DIESEL FUEL ADDITIVE
STAR*TRON DIESEL FUEL ADDITIVE
Increases power and stabilizes fuel for up to two years.
Retail: $26.11
Our Low Price: $15.99 
You Save: $10.12
  BUY Diesel Fuel Additive  
 RISLONE® ENGINE OIL TREATMENT
RISLONE® ENGINE OIL TREATMENT
Quick, easy, effective "Original Tune Up" since 1921! Great for almost any kind of engine—car, pickup, SUV, RV, motorcycle, boat, repair facility, you name it!
New
Our Low Price: $5.99 
  BUY Engine Oil Treatment  
ZMAX MICRO-LUBRICANT MECHANICS FORMULA
ZMAX MICRO-LUBRICANT MECHANICS FORMULA
Zmax Micro-Lubricant Mechanics Formula helps maintain gas mileage in newer cars, and helps improve or restore gas mileage in older cars, by virtue of reducing engine deposits. They improve the performance of the vehicle and provides extended engine life.
Our Low Price: $41.99 
  BUY MICRO-LUBRICANT MECHANICS FORMULA  
 BAR'S LEAKS® PELLETIZED HEAVY-DUTY RADIATOR STOP LEAK
BAR'S LEAKS® PELLETIZED HEAVY-DUTY RADIATOR STOP LEAK
Professional strength formula is an inexpensive way to fix and/or maintain your vehicle?s cooling system. For cars, trucks, vans, SUVs and RVs. Heavy-duty Radiator Stop Leak also inhibits rust and corrosion, lubricates water pump seal and helps control electrolysis.
New
Our Low Price: $5.99 
  BUY Heavy-duty Pelletized Radiator Stop Leak  
1 - 20 of 32 products   |  Go to page 1 2 Next   |  Show All    | < Back to Oils, Lubricants, Additives & Fluids