DodgeRAM 1500, 2500 Pickup20034.7L V8/dodge/ram-1500-2500-pickup/2003/4-7l-v8/
DR platform

2003 Dodge RAM 1500, 2500 Pickup — 4.7L V8

Factory specifications, fluid capacities, torque values, EPA fuel economy and the federal safety record for the 2003 RAM 1500, 2500 Pickup 4.7L V8.

Engine 4.7L V8Transmission Automatic 5-spd

The 2003 Dodge RAM 1500 and 2500 pickups ride on the DR platform, combining a 4.7L V8 with an automatic five-speed transmission while posting EPA estimates of 13/18/15 mpg and requiring 6.0 quarts of 5W-30 or 10W-30 API oil. In the broader reliability history of the model, this year stands out for a heavy volume of documented issues, namely 661 owner complaints and 9 recalls with structure cited as the top grievance area. That concentration of owner-reported and factory-acknowledged problems means structural integrity and recall history should be treated as primary research concerns on any example of this generation.

Model year20042003

Quick specs

Fluid capacities, tune-up values and fuel economy at a glance.

Engine oil capacity6.0 qtOEM · verified
Engine oil type5W-30 / 10W-30 APIOEM · verified
Lug nut torque135 ft-lbsOEM · verified
EPA fuel economy13/18/15 mpgEPA · verified

Fitment & sizes

Replacement part sizes and factory part numbers — battery, bulbs, filters and belts.

From the factory this vehicle uses a BCI 65 · 600 CCA battery, OE oil filter 05281090AB. Note the factory fuel filter is now discontinued — plan on a superseded or quality aftermarket equivalent, which the part pages below list where known. Each part links to every other vehicle that shares it, so a part you already stock may fit more of your fleet than you'd expect.

Battery groupBCI 65 · 600 CCAOEM · verified
Tire sizeP265-70R17OEM · verified
Wheel / rim8 inOEM · verified

OE service part numbers OEM · verified

Engine oil filter05281090AB alt 04781452BF
Engine air filter68441763AA
Fuel filter04798825AD discontinued · alt 04897498AA
Spark plug68303918AA alt 68303921AA
Front wiper blades55077100AE
Serpentine belt05135746AA alt 53032307AC
Thermostat52028898AJ alt 52028185AC

Full specifications

Engine, drivetrain, dimensions and economy.

Engine & drivetrain NHTSA vPIC

TransmissionAutomatic 5-spd

Dimensions & weight NHTSA vPIC

Overall length228.7 in
Overall width78.7 in
Overall height79.5 in
Wheelbase127.2 in
Curb weight4482 lb
Track (front / rear)66.9 / 65.7 in

Ratings & economy EPA / vPIC

EPA city / highway / combined13 / 18 / 15 mpg
DrivetrainRear-Wheel Drive
Recommended fuelRegular Gasoline

Service quick specs OEM factory data

Capacities, torques and tune-up values from the factory service manual.

This engine holds 6.0 qt of 5W-30 / 10W-30 API engine oil, Synthetic · 75W-140 · GL-5 · 75W-90 in the differential, DOT 3 brake fluid. Torque lug nuts to 135 ft-lbs, the oil drain plug to 25.0 ft-lbs. The firing order is 1-8-4-3-6-5-7-2.

Lubricants & capacities

Brake FluidDOT 3
Differential Gear OilSynthetic · 75W-140 · GL-5 · 75W-90
Differential Gear Oil Capacity4.9 Pints,
Differential Gear OilSynthetic · 75W-140 · GL-5 · 75W-90
Differential Gear Oil Capacity8 Pints,
Engine CoolantHOAT · MS9769
Engine Oil5W-30 · API · 10W-30
Engine Oil Capacity6.0 qt

Engine torques

Camshaft Bearing/Carrier Cap Bolts or Studs8.5 ft-lbs
Crankshaft Pulley and/or Damper Bolts130 ft-lbs
Engine Flywheel Bolts35-45 ft-lbs
Engine Oil Pan Drain Plug25.0 ft-lbs
Oil Pump to Cylinder BLock Bolts/Studs21 ft-lbs

Chassis torques

Leaf Spring to Axle (U-bolts)110.0 ft-lbs
Lug Nuts135 ft-lbs
Transfer Case Fill Plug30.0-40.0 ft-lbs
Transfer Case Drain Plug30.0-40.0 ft-lbs
Front Wheel Hub175 ft-lbs
Front Wheel Hub185 ft-lbs

Ignition

Cylinder Firing Order1-8-4-3-6-5-7-2
Curb Idle Speed (No Load)700 rpm
Curb Idle Speed Variance (No Load)200 rpm
Spark Plug Gap0.040 in
Spark Plug Torque20.0 ft-lbs

Battery & A/C

RefrigerantR134a
Refrigerant Capacity1.63 lbs
Oil GroupPAG
Oil TypeSP-15
Oil Capacity6.00 oz
Optional BCI Group Number65
Optional BCI Cranking Performance750 cca
Standard BCI Group Number65

Service checks

Pressure Test15 psi
Radiator Cap Pressure Relief14-18 psi
Thermostat Opening Temperature192-199 °F
Regulated Fuel System Pressure (With Vacuum)47.0-51.0 psi
Injector Primary Resistance13-16 @ 68 degreesF ohms
Injector Primary Resistance10.8-13.2 @ 68 degreesF ohms
Engine Compression100 Minimum psi
Engine Oil Pressure25-110 psi

Brakes

Torque Caliper to Bracket24 ft-lbs
Torque to Knuckle130 ft-lbs / 100 ft-lbs
Rotor Max Parallel Variation0.001 in
Rotor Runout Limit0.005 in
Rotor Nominal Thickness From1.1 in / 1.181 in
Rotor Nominal Thickness To1.1 in / 1.181 in
Rotor Discard at or Under1.039 in / 1.117 in

Multi-step torque procedures OEM · verified

Connecting Rod (Large End) Bearings — tightening sequence 1 stages
120 ft. lbs., Step 2: 9020 ft. lbs
Cylinder Head — tightening sequence 2 stages
143.0 ft. lbs.43 ft. lbs
2105.0
Main Bearings — tightening sequence 4 stages

Prep Install the bedplate retaining bolts, making sure to place the stud bolts in the correct location, Torque the bolts in the sequence shown.

1Tighten bolts A - L to 40 ft. lbs.40 ft. lbs
2Tighten bolts 1 - 10 to 25 in. lbs.25 in
3Turn bolts 1 - 10 an additional 90 degrees.90 degrees
4Tighten bolts A1 - A6 to 20 ft. lbs.20 ft. lbs

Factory maintenance schedule OEM · verified

Normal service, condensed from the factory interval matrix.

Under the factory schedule, replace the engine oil and filter every 6,000 mi; spark plugs every 60,000 mi; coolant every 6,000 mi. The big-interval services (every 6,000 mi for coolant, and the transmission fluid) are the ones owners most often skip — on a lower-mileage example, assume the original fluids are still in it and check them first.

Every 6,000 miEngine Coolant System (leak inspection) · Engine Oil (drain & refill) · Tire & Wheel Assembly (inspect)
Every 7,500 miBrake Hydraulic System (inspect fluid level) · Brake Line (inspect) · Suspension System (inspect)
Every 12,000 miAccessory Drive Belt (inspect) · Steering Linkage (inspect)
Every 15,000 miEngine Oil Filter (replace)
Every 21,000 miSuspension Ball Joint (inspect)
Every 30,000 miEngine Air Filter Element (replace) · Engine Coolant System (drain, flush & refill) · PCV Valve (inspect)
At 45,000 miEngine Coolant System (drain, flush & refill)
At 60,000 miPCV Valve (inspect)
Every 60,000 miAccessory Drive Belt (inspect) · PCV Valve (inspect) · Spark Plug Wires (replace)

Owner how-tos

Condensed service procedures for routine maintenance. Procedures that require dealer diagnostic equipment are identified and summarized only.

Common procedures

Key fob — remote (RKE) programming programming new fob buttons Dealer tool OEM · verified
Tool requiredDRBIII scan tool (dealer / locksmith)
WhyTransmitter codes are written into the receiver in the passenger door module
Anti-theft (SKIS) — module initialization after immobilizer module replacement Dealer tool OEM · verified
When neededAfter Sentry Key Immobilizer Module (SKIM) replacement
Tool requiredDRBIII scan tool
Also requiredThe vehicle's four-digit PIN code

Reliability & federal safety record

Owner-reported issues, recalls, investigations and service bulletins on record with NHTSA — an unfiltered look at what owners actually experience.

Owner complaints about the 2003 Dodge RAM 1500, 2500 Pickup lead in one area — the structure, 124 of 661 reports (19%), well ahead of the next concern. None of this vehicle's 9 recall campaigns target the structure, so those reports read as owner-reported wear-and-tear rather than an acknowledged defect. 30 of the reports describe a crash and 2 a fire — a small share of the total, but worth weighing against the structure pattern above. These are tallies of what owners actually reported to the federal government, not an editorial score — and higher-selling models naturally rack up more reports.

9
Open recalls
NHTSA campaigns
32
Service bulletins
Manufacturer communications
6
ODI investigations
Office of Defects Investigation
661
Owner complaints
30 involved a crash · 2 a fire

Owner complaints filed with NHTSA, by component

All 661 complaints on record, top 8 components.

Structure124
Air Bags113
Steering70
Steering,Suspension51
Suspension45
Power Train38
Unknown Or Other27
Visibility24

Source: NHTSA Office of Defects Investigation complaint database.

Recalls NHTSA · verified

Showing 2 of 9 campaigns on record for this vehicle.

15V312000Air Bags:Frontal:Passenger Side:Inflator ModuleReported 27/05/2015

Chrysler (FCA US LLC) is recalling certain model year 2003 Dodge Ram 1500, 2500, and 3500 trucks manufactured August 29, 2002, to July 25, 2003 to address a safety defect in the passenger side frontal air bag inflator… Remedy: Owners are advised not to drive their vehicle until the recall repair is complete. Owners are advised not to drive their vehicles until the remedy is completed. Chrysler will…

11V350000Steering:Linkages:Tie Rod AssemblyReported 06/07/2011

CHRYSLER IS RECALLING CERTAIN MODEL YEAR 2008-2011 DODGE RAM 2500/3500 4X4, MANUFACTURED FROM FEBRUARY 14, 2008, THROUGH MARCH 28, 2011; MODEL YEAR 2008-2011 DODGE RAM 3500 CAB CHASSIS 4X2, MANUFACTURED FROM FEBRUARY… Remedy: DEALERS WILL INSPECT THE TIE ROD ENDS FOR RELATIVE ORIENTATION AND REPLACE THE LEFT OUTER TIE ROD AS REQUIRED AND PERFORM A FRONT END TOE ALIGNMENT AS NEEDED. THIS SERVICE WILL BE…

Technical service bulletins NHTSA · verified

Showing 5 of 32 bulletins on record with NHTSA.

BulletinDateComponentSummary
S1203000003 REV.A2026-06-26Service BrakesTrac-Rite Operation Diagnosis, Chatter, Shudder, Moving From A Stop And Turning
1012322024-10-29Power TrainPlate - Planetary
90042752020-07-22Electrical SystemKEY, Master If replacing the key/FOBIK on a WJ, KJ, TJ, or PT Cruiser, use the "AC" NIC…
90042752020-07-22Electrical SystemKEY, Master If replacing the key/FOBIK on a WJ, KJ, TJ, or PT Cruiser, use the "AC" NIC…
23-015-202020-04-30EquipmentDisinfectant Solution Recommended for COVID-19

Common OBD-II trouble codes

The most common OBD-II codes for this vehicle's emissions system. These are standardized SAE J2012 definitions, not vehicle-specific fault reports.

P0420
Catalyst system efficiency below threshold — Bank 1
P0300
Random / multiple cylinder misfire detected
P0171
System too lean — Bank 1
P0455
Evaporative emission system leak detected — large leak
P0128
Coolant thermostat below regulating temperature
P0442
Evaporative emission system leak detected — small leak

VIN tools

Decode factory build data for a specific vehicle by VIN.

VIN
Decode a VIN to confirm the transmission and build data for a specific RAM 1500, 2500 Pickup. OEM
Build data
Plant, GVWR class, engine and body data for any 17-character VIN.
Recalls
Check open recall campaigns against a specific vehicle by VIN.

Vehicles with shared specs

Find every vehicle that shares this one's battery, bulbs, oil capacity, platform or parts.

Reference guides

Cross-vehicle references for the kinds of data on this page.

Frequently asked

How much oil does the 2003 RAM 1500, 2500 Pickup 4.7L V8 take?

6.0 qt of 5W-30 API OR 10W-30 API, per the factory manual.

Does the 2003 RAM 1500, 2500 Pickup have open recalls?

NHTSA lists 9 recall campaign(s) for this model year. Check your specific vehicle by VIN.

What gas mileage does the 4.7L V8 get?

EPA figures are 13 city / 18 highway / 15 combined mpg.