World's Best Oils & Filters for 2003 DODGE RAM 1500

2003 DODGE RAM 1500
3.7L 6-cyl Engine Code [K]
Year: 2003
Make: DODGE TRUCKS
Model: RAM 1500 PICKUP
Engine: 3.7L 6-cyl Engine Code [K]
Fuel: Gasoline

We know your DODGE RAM 1500
& We have the World's Best Oils, Filters & more!

AMSOIL manufacture's the World's Best Synthetic Lubricant's & Filters Since 1972. AMSOIL also offers substitute brands such as WIX, Donaldson, NGK & Trico wiper blades (where available) to make our web site a one stop shop for most automotive maintenance needs.

How do I use this Product Cross Reference Guide?

Product Cross Reference Guide: This product cross reference guide follows recommendations outlined in your owners manual and also reflects periodic service recommendation updates from the original equipment manufacturer for this particular model (2003 DODGE RAM 1500 with engine code [K]) show example...

For example, the manufacturer may have recommended 5W30 motor oil at the time of production (owners manual) & later revised the recommendation to 5W20. This guide will reflect latest recommendation by the manufacturer for this model. If there are no special instructions from the manufacturer, the owner can choose to follow either one of the recommendation without voiding warranty hide example.

Optional Equipment Listing This guide lists all available equipment options such as transmission options, differentials etc. for 2003 DODGE TRUCKS RAM 1500 PICKUP with engine code [K] hide.
Product Availability Listing This guide lists all available AMSOIL & substitute brand products that meet or exceed OEM (DODGE) recommendation for each equipment. Any one of the recommended product can be used. One may be better than the other, you can review product details & price or contact us to ask our opinion pertaining to your usage and preference hide.
Operating Temperature Original equipment manufacturer (OEM) sometimes provide different product recommendations based on operating environment temperature for a given equipment. This product cross reference guide will list such recommendations based on OEM guidelines. Some OEM recommended viscosity pertaining to a specific temperature range may not be available from AMSOIL.

However, AMSOIL products recommended for another temperature range can be safely used because AMSOIL synthetic lubricants are engineered to provide exceptional performance for significantly broader temperature range when compared to conventional & or other brand synthetic oils. For more information on a lubricants cold temperature performance; please refer to "Pour Point" from "Technical Properties" table located at the bottom of each lubricant product page hide.
Last Updated This product cross reference guide for 2003 DODGE TRUCKS RAM 1500 PICKUP engine code [K] was last updated on 24th February 2011 hide.
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  1. Engine Oil

    Grade 1  »  API*
    Above 0 F  »  10W-30
    Below 32 F  »  5W-30
  2. Manual Transmission

    Manual Transmission, NV3500 2WD  »  GL-4 [1]

    Synthetic Manual Transmission and Transaxle Gear Lube (75W-90) API GL-4 (MTGQT)

    Manual Transmission, NV3500 4WD  »  GLS [2]

    Synthetic Synchromesh Transmission Fluid (5W-30) (MTFQT)

    Manual Transmission, NV5600  »  GL-4 [1]

    Synthetic Manual Transmission and Transaxle Gear Lube (75W-90) API GL-4 (MTGQT)

    Manual Transmission, NV5600  »  GLS [2]

    Synthetic Synchromesh Transmission Fluid (5W-30) (MTFQT)

    Manual Transmission, NV3500 2WD  »  GLS [2]

    Synthetic Synchromesh Transmission Fluid (5W-30) (MTFQT)

    Manual Transmission, NV3500 4WD  »  GL-4 [1]

    Synthetic Manual Transmission and Transaxle Gear Lube (75W-90) API GL-4 (MTGQT)

    Manual Transmission, NV4500  »  GL-4 [1]

    Synthetic Manual Transmission and Transaxle Gear Lube (75W-90) API GL-4 (MTGQT)

    Manual Transmission, NV1500  »  GLS [2]

    Synthetic Synchromesh Transmission Fluid (5W-30) (MTFQT)
  3. Automatic Transmission

    Automatic Transmission, 45RFE 4WD  »  AP4

    Synthetic Multi-Vehicle Automatic Transmission Fluid (ATFQT)

    Automatic Transmission, 45RFE 2WD  »  AP4

    Synthetic Multi-Vehicle Automatic Transmission Fluid (ATFQT)
  4. Transfer Case

  5. Front Differential

  6. Rear Differential

  7. Power Steering Fluid

  8. Brake Fluid

    Brake Fluid  »  HB

    AMSOIL Brake Fluid DOT-3 (BF3SN)
  9. Clutch Fluid

    Clutch Fluid  »  HB

    AMSOIL Brake Fluid DOT-3 (BF3SN)
  10. Capacities (Drive Train Fluids)

    Engine, with filter  »  5 quarts [1]
    Cooling System, Initial Fill  »  17 quarts
    AMSOIL Antifreeze and Engine Coolant
    Automatic Transmission, 45RFE 2WD Initial Fill  »  5.5 quarts
    Automatic Transmission, 45RFE 4WD Initial Fill  »  6.6 quarts
    Automatic Transmission, Total Fill
    4 speed 45RFE 2WD  »  14.8 quarts
    4 speed 45RFE 4WD  »  14.8 quarts
    Manual Transmission, NV3500 2WD  »  4.9 pints
    Manual Transmission, NV3500 4WD  »  4.3 pints
    Manual Transmission, NV1500  »  4.7 pints
    Manual Transmission, NV4500  »  8.1 pints
    Manual Transmission, NV5600  »  9.6 pints
    Differential, With 9.25"AA Front  »  4.9 pints [2]
    Differential, With 7.25 RingGear Rear  »  3 pints [3]
    Differential, With 8.25 RingGear Rear  »  4.5 pints [2]
    Differential, With 9.25 RingGear Rear  »  4.9 pints [2]
    Transfer Case, NV271  »  4.1 pints
    Transfer Case, NV273  »  4.1 pints
    Transfer Case, NV241 GENII  »  3.4 pints
    Transfer Case, NV243  »  3.4 pints

    Capacities Comments
    [1] After refill check oil level.
    [2] Fill no higher then 1/4 inch below plug hole.
    [3] Fill no higher then 3/4 inch below plug hole.
  11. Chassis Lubrication

  12. Torque Specifications

    Oil Drain Plug  »  25 ft/lbs
    Manual Transmission NV3500
    Fill Plug 14-20 ft/lbs
    Drain Plug 14-20 ft/lbs
    Manual Transmission NV5600 6-SPD
    Fill Plug 22 ft/lbs
    Drain Plug 30 ft/lbs
    Manual Transmission NV4500
    Fill Plug 25-35 ft/lbs
    Drain Plug 25-35 ft/lbs
    Transfer Case
    Fill Plug 15-25 ft/lbs
    Drain Plug 15-25 ft/lbs

Close Panels

  1. Filters: Oil, Air, Cabin, Fuel, Transmission, Hydraulic & Crankcase

    Oil Filter 25, 000-Mile Ea Oil Filter (EAO34)  
    Oil Filter WIX 51516 Oil Filter  
    Air Filter Absolute Efficiency Air Filter (EAA176)  
    Air Filter WIX 42725 Air Filter  
    Transmission Filter WIX 58846 Auto Tran Filter [1]
    Transmission Filter WIX 58843 Auto Tran Filter [2]

    Filter Comments
    [1] 545RFE - 2WD
    [2] 545RFE - 4WD
  2. Gasoline Engine Fuel Additives

    Dominator Octane Boost (AOB)
    AOB Dominator Octane Boost (AOB)

    Maximizes power and improves performance in all two-cycle and four-cycle gasoline engines. Reduces engine knock, improves ignition and engine response, helps fuel burn cleaner and inhibits corrosion. Recommended for off-road and racing use. Packag...

    Gasoline Stabilizer (AST)
    AST Gasoline Stabilizer (AST)

    AMSOIL Gasoline Stabilizer (AST) reduces the oxidation process that occurs when fuel is stored for extended periods, improving performance, extending equipment life and decreasing maintenance expenses. Package sizes include: 16-oz. Bottle ...

    P.I Performance Improver (API)
    API P.I Performance Improver (API)

    Improves fuel mileage an average of 2.3% and up to 5.7%. Reduces emissions such as hydrocarbons (HC) up to 15%, carbon monoxide (CO) up to 26% and nitrous oxides (NOx) up to 17%. Package sizes include: 12-oz. Bottle 12-oz. Bottles (cas...

  3. NGK Plugs & Wiresets

    GPSERIES PLUG ZFR6FGP    
    IXIRIDIUM PLUG ZFR6FIX-11 NGK6441  
    PREMIUMPLATINUM PLUG PZFR6F-11 *    
    VPOWER PLUG ZFR6F-11G NGK6987  
    WIRESET WIRESET Direct Fire Ignition   [1]

    NGK Plugs & Wiresets Comments
    [1] No Wires Req'd
  4. Trico Wiper Blades

    Blade Class Driver Passenger
    ExactFit T241 T241
    NeoForm T16240 T16240
    Winter T37245 T37245

Close Panels

SSO 0W-30 Signature Series (SSO)

AMSOIL Signature Series 0W30 Synthetic Motor Oil is the industry benchmark in lubrication technology. Engineered with the world’s finest synthetic base oils and high performance additives, AMSOIL Signature Series 0W-30 is designed for those who...
ATM 10W-30 Signature Series Synthetic Motor Oil (ATM)

AMSOIL Signature Series Synthetic Motor Oil delivers extraordinary lubrication in all types of automotive gasoline engines. By combining industry-premier synthetic technology with AMSOIL premium additives, Signature Series Synthetic Motor Oil exceeds...
XLT 10W-30 Extended Life Synthetic Motor Oil (XLT)

AMSOIL XL Extended Life Synthetic Motor Oils provide better wear control, high- and low-temperature protection and increased fuel economy compared to conventional oils. Extended-Drain Boost Technology Package sizes include: 1-Quart Bottl...
OET 10W-30 OE Series Synthetic Motor Oil (OET)

AMSOIL OE Synthetic Motor Oils help provide better wear control, high- and low-temperature protection and increased fuel economy compared to conventional oils. The oil drain interval recommendations for many of today’s vehicles extend well beyo...
MTG 75W-90 (GL-4) Synthetic Gear Lube (MTG)

AMSOIL Synthetic Manual Transmission and Transaxle Gear Lube (MTG) is a premium blend of the finest synthetic base oils and advanced, high-performance additives. It is formulated specifically for maximum protection in the most demanding manual trans...
MTF 5W 30 Manual Synchromesh Transmission Fluid (MTF)

AMSOIL Synthetic Synchromesh Transmission Fluid (MTF) is a premium quality synthetic lubricant designed to surpass the most demanding lubrication requirements of manual transmissions and transaxles where non-extreme pressure fluids are used. Packa...
ATF Signature Series Multi-Vehicle Synthetic ATF

AMSOIL Signature Series Multi-Vehicle Synthetic ATF is engineered to outperform conventional automatic transmission fluids and exceed the performance requirements of most North American, European and Asian vehicles. This sophisticated formulation pro...
SVG 75W 90 Severe Gear® Extreme Pressure (SVG)

Formulated for the severe operating conditions of today's pick-up trucks, SUVs, heavy equipment and other hard working vehicles. AMSOIL SEVERE GEAR® Synthetic Extreme Pressure (EP) Lubricants are premium grade gear oils specifically engineered...
FGR 75W-90 Semi-Truck Gear Lube (FGR)

Specifically engineered for extended drain intervals up to 500,000 miles as set by equipment manufacturers for over-the-road trucks and heavy equipment. Provides long life in passenger cars and trucks. Protects against wear and improves equipment li...
SVT 75W-110 Severe Gear® Extreme Pressure (SVT)

AMSOIL SEVERE GEAR® Synthetic Extreme Pressure (EP) Lubricants are premium grade gear oils specifically engineered for maximum performance in severe duty applications. These state-of-the-art AMSOIL formulations feature an exclusive blend of high ...
SVO 75W-140 Severe Gear® Extreme Pressure (SVO)

AMSOIL SEVERE GEAR® Synthetic Extreme Pressure (EP) Lubricants are premium grade gear oils specifically engineered for maximum performance in severe duty applications. These state-of-the-art AMSOIL formulations feature an exclusive blend of high...
FGO 80W-140 Semi-Truck Gear Lube (FGO)

Specifically engineered for extended drain intervals up to 500,000 miles as set by equipment manufacturers for over-the-road trucks and heavy equipment. Provides long life in passenger cars and trucks. Protects against wear and improves equipment li...
BF3 Series 500 DOT 3 Brake Fluid (BF3)

*** This item is available for US customers only *** AMSOIL now offers Series 500 High-Performance DOT 3 Brake Fluid. AMSOIL Brake Fluids provide superior high-temperature performance in auto/light truck, high-performance, racing and powers...
GRG DOMINATOR Synthetic Racing Grease (GRG)

Exceptional High-Speed/High-Temperature Performance. AMSOIL DOMINATOR® Synthetic Racing Grease is engineered to protect high-performance bearings and chassis components in racing applications operated on snow, dirt, water or track. Package siz...
GLC Synthetic Multi-Purpose Grease NLGI #2 (GLC)

AMSOIL Synthetic Multi-Purpose Grease is qualified against the highest grease standards and designed for multiple-use applications. Composed of premium-quality synthetic base oils and calcium sulfonate complex thickeners, Multi-Purpose Grease provide...
GWR Synthetic Water Resistant Grease NLGI#2 (GWR)

Superior Lubrication and Protection in Automotive and Industrial Applications With Extensive Exposure to Water Package sizes include: 3-oz. Cartridges (not sold individually, comes in a pack of 3) 3-oz. Cartridges (case of 10) 14-oz. Cartr...
ANT Antifreeze and Engine Coolant (ANT)

AMSOIL Antifreeze & Coolant (ANT) is a low-toxicity propylene glycol antifreeze formulated to provide benefits far beyond those found in today’s conventional antifreeze and coolant products. This revolutionary formulation provides maximum a...
amsoil oil filter AMSOIL Ea Oil Filters

AMSOIL Ea Oil Filters feature synthetic nanofiber technology for maximum efficiency. Guaranteed for up to 15,000 miles or up to 25,000 miles, depending on application, when used with AMSOIL synthetic motor oil.
wix oil filter WIX Automotive, Light Truck & Racing Oil Filters

WIX Oil filters are made with full metal base plate for superior strength at the double seal & also feature a silicone anti-drainback valve. Glass enhanced media in WIX oil filters offers greater efficiency, capturing more 10 to 12 micron sized particles than other cellulose or synthetic blend medias.
amsoil air filter AMSOIL Ea Air Filters

AMSOIL Nanofiber technology media removes 5 times more dust than traditional cellulose filters and 50 times more dust than wet gauze. Unmatched 4-year/100,000-mile guarantee for the auto/light truck market.
wix air filter WIX Automotive, Light Truck & Racing Air Filters

WIX panel element air filters have a linear path through the filter for low airflow restriction & an exclusive pocket pleat for the filter media. Radial air filters are constructed of mesh screen on the inside wall diameter for element strength and media protection from backfire.
wix transmission filter WIX Automotive & Light Truck Transmission Filters

WIX Transmission Filters protect automatic transmissions against contaminants in the transmission fluid system. Proper filtration helps improve transmission life by minimizing wear and preventing sticking and scoring of sensitive shift control valves.
wix transmission filter WIX Automotive & Light Truck Transmission Filters

WIX Transmission Filters protect automatic transmissions against contaminants in the transmission fluid system. Proper filtration helps improve transmission life by minimizing wear and preventing sticking and scoring of sensitive shift control valves.