NissanFrontier2003Overview/nissan/frontier/2003/base/

2003 Nissan Frontier

Factory specifications, fluid capacities, torque values, EPA fuel economy and the federal safety record for the 2003 Frontier.

Body TRUCKTransmission Automatic 4-spd

The 2003 Nissan Frontier is a compact truck equipped with a 4-speed automatic transmission, an engine requiring 3.5 quarts of 5W-30 API oil, and EPA fuel economy ratings of 17 mpg city, 22 mpg highway, and 19 mpg combined. Owner feedback for this model year totals 77 complaints, with the fuel system being the most frequently cited issue. This places the 2003 Frontier in a moderate reliability position within the model's history, which saw a high of 210 complaints for the 2000 model year and a low of just 7 for the 2025 version.

Model year202520242023202220212020201920182003

Quick specs

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

Engine oil capacity3.5 qtOEM · verified
Engine oil type5W-30 APIOEM · verified
EPA fuel economy17/22/19 mpgEPA · verified

Fitment & sizes

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

From the factory this vehicle uses a BCI 25 · 490 CCA battery, OE oil filter 152089E01A. 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 25 · 490 CCAOEM · verified
Tire sizeP265-55R17OEM · verified
Wheel / rim7-JJ inOEM · verified

OE service part numbers OEM · verified

Engine oil filter152089E01A
Engine air filter165460Z000 alt 1654686G00
Fuel filter164000W005
Spark plug224011P115 alt 224011P114
Front wiper blades288908Z300
Serpentine belt119504S100 alt 117204S100
Thermostat21200V720A alt 2120042L0A
Cabin air filter27277VP02A

Full specifications

Engine, drivetrain, dimensions and economy.

Engine & drivetrain NHTSA vPIC

TransmissionAutomatic 4-spd

Dimensions & weight NHTSA vPIC

Overall length217.7 in
Overall width71.3 in
Overall height72.4 in
Wheelbase131.1 in
Curb weight3942 lb
Track (front / rear)59.8 / 59.4 in
Weight distribution (front / rear)57/43

Ratings & economy EPA / vPIC

EPA city / highway / combined17 / 22 / 19 mpg
DrivetrainRear-Wheel Drive
Recommended fuelRegular Gasoline

Performance & power Independent road tests

0–60 mph, quarter-mile, horsepower and torque from independent road tests.

Independent road tests for the Frontier of this era, listed by trim and engine — this page spans more than one engine, so no single horsepower figure is shown.

9.0–11.4 sec0–60 mph (tested)quickest 9.00 sec — 2001 SC V6 King Cab (6.2 ft. Bed)
YearTrim / engine0–60¼ mileHPDrivetrain
2001SC V6 King Cab (6.2 ft. Bed) 3.3L Supercharger V69.00 sec16.80 sec210 hpRWD
2001SC V6 King Cab (6.2 ft. Bed) 3.3L Supercharger V69.30 sec16.80 sec210 hpRWD
2001SC V6 Crew Cab (4.9 ft. Bed) 3.3L Supercharger V69.50 sec17.20 sec210 hpRWD
2000SE V6 Crew Cab 3.3L V69.20 sec17.20 sec170 hp4x4
2000SE V6 Crew Cab 3.3L V610.90 sec18.20 sec170 hp4x4
2000SE V6 Crew Cab 3.3L V611.00 sec18.20 sec170 hp4x4
1999SE King Cab 2.4L I-411.40 sec18.20 sec143 hpRWD
1998XE King Cab 2.4L I-411.40 sec17.70 sec143 hp4x4

Service quick specs OEM factory data

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

This engine holds 3.5 qt of 5W-30 API engine oil, 75W-90 · 80W-90 · GL-5 in the differential, DOT 3 brake fluid. The firing order is 1-2-3-4-5-6. Note the cylinder-head bolts finish on a torque angle (torque-to-yield) — they stretch permanently and should be replaced, not reused, during any head service.

Lubricants & capacities

Brake FluidDOT 3
Differential Gear Oil75W-90 · 80W-90 · GL-5
Differential Gear Oil Capacity3.6 Pints
Differential Gear Oil75W-90 · 80W-90 · GL-5
Differential Gear Oil Capacity5.5 Pints
Engine Oil5W-30 · API
Engine Oil Capacity3.5 qt
Engine Oil5W-30 · API

Engine torques

Crankshaft Pulley and/or Damper Bolts105-112 ft-lbs
Crankshaft Pulley and/or Damper Bolts141-156 ft-lbs
Engine Flywheel Bolts105-110 ft-lbs
Engine Flywheel Bolts62-68 ft-lbs
Intake Manifold to Engine Bolts12-14 ft-lbs
Exhaust Manifold to Cylinder Head Bolts28-35 ft-lbs
Exhaust Manifold to Cylinder Head Bolts21-25 ft-lbs
Main Bearings34-41 ft-lbs

Chassis torques

Leaf Spring to Axle (U-bolts)72.0-80.0 ft-lbs
Leaf Spring to Chassis Bracket87.0-108.0 ft-lbs
Leaf Spring to Rear Shackle58.0-72.0 ft-lbs
Leaf Spring Rear Shackle to Chassis Bracket58.0-72.0 ft-lbs
Transfer Case Fill Plug18.0-25.0 ft-lbs
Transfer Case Drain Plug18.0-25.0 ft-lbs

Ignition

Cylinder Firing Order1-3-4-2
Cylinder Firing Order1-2-3-4-5-6
Curb Idle Speed (No Load)800 rpm
Curb Idle Speed Variance (No Load)50 rpm
Curb Idle Speed (No Load)750 rpm
Curb Idle Speed Variance (No Load)50 rpm
Ignition Coil Primary Resistance1.0 approx. ohms
Ignition Coil Secondary Resistance10,000 approx. ohms

Battery & A/C

RefrigerantR134a
Refrigerant Capacity1.32-1.54 lbs
Oil GroupPAG
Oil Type46
Oil Capacity6.80 oz
Standard BCI Group Number25
Standard BCI Cranking Performance490 cca
Optional BCI Group Number24

Service checks

Regulated Fuel System Pressure (Without Vacuum)43.0 psi
Regulated Fuel System Pressure (With Vacuum)34.0 psi
Regulated Fuel System Pressure (Without Vacuum)51.0 psi
Regulated Fuel System Pressure (With Vacuum)51.0 psi
Injector Primary Resistance13.5-17.5 ohms
Injector Primary Resistance10-14 ohms
Engine Compression178-149 PSI. 14 Maximum variation PSI.
Engine Compression173

Brakes

Torque Caliper to Bracket17-22 ft-lbs
Minimum Pad ThicknessFront: 0.079; Rear: 0.079 in
Rotor Runout Limit0.0028 in
Rotor Minimum Machining0.945 in
Rotor Discard at or Under0.944 in
Drum Maximum Machining10.303 in
Drum Discard at-or-over10.304
Rotor Runout Limit0.0028 in

Multi-step torque procedures OEM · verified

Camshaft Bearing/Carrier Cap Bolts or Studs — tightening sequence 1 stages
17-9
Connecting Rod (Large End) Bearings — tightening sequence 1 stages
110-12 ft. lbs., Step 2: 60-6510–12 ft. lbs
Connecting Rod (Large End) Bearings — tightening sequence 1 stages
110-12 ft. lbs., Step 2: 60-6510–12 ft. lbs
Cylinder Head — tightening sequence 6 stages
122 ft. lbs.22 ft. lbs
243 ft. lbs.43 ft. lbs
3Loosen all bolts.
47 ft. lbs.7 ft. lbs
522 ft. lbs.22 ft. lbs
660-65 degrees.60–65 degrees
Cylinder Head — tightening sequence 6 stages
122 ft. lbs.22 ft. lbs
243 ft. lbs.43 ft. lbs
3Loosen all bolts.
47 ft. lbs.7 ft. lbs
522 ft. lbs.22 ft. lbs
660-65 degrees.60–65 degrees
Cylinder Head — tightening sequence 5 stages
122 ft. lbs.22 ft. lbs
259 ft. lbs.59 ft. lbs
3Loosen all bolts completely.
418-25 ft. lbs.18–25 ft. lbs
586-91 degrees.86–91 degrees
Intake Manifold to Engine Bolts — tightening sequence 1 stages
12.9 ft. lbs., step 2: 6.5 ft. lbs., step 3: 5.8-72.9 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 7,500 mi; spark plugs at 105,000 mi; coolant every 30,000 mi. The big-interval services (every 30,000 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 7,500 miEngine Oil (drain & refill) · Engine Oil Filter (replace) · Tire & Wheel Assembly (rotate)
Every 15,000 miAxle Shaft Oil Seal (inspect) · Brake Line (inspect) · Brake Linings (inspect) · Brake System (inspect) · CV Joint Boot (inspect) · Cabin Air Filter (replace)
Every 30,000 miAccessory Drive Belt (inspect) · Drive Axle Assembly (drain & refill) · Emission Control System (inspect) · Engine Air Filter Element (replace) · Engine Breather Filter (replace) · Engine Coolant System (drain, flush & refill)
At 60,000 miEngine Coolant System (drain, flush & refill)
Every 60,000 miSuspension Ball Joint (inspect) · Transmission Assembly (drain & refill)
At 105,000 miSpark Plugs (replace) · Timing Belt (replace)

Reliability & federal safety record

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

Over the 1998‑2004 generation, complaints rose from 135 in 1998 to a peak of 210 in 2000, fell to 139 in 2002 and dropped further to 77 in 2003, indicating a clear downward trend in consumer issues. Recall counts in that same span increased from 5 in 1998‑1999 to a high of 8 in 2002, stayed at 7 in 2003, then fell to 4 in 2004, while the only investigation recorded in the generation occurred in 2001, leaving 2003 without an active investigation. Technical Service Bulletins (TSBs) peaked at 97 in 2000, declined to 76 in 2002 and settled at 47 in both 2003 and 2004, reflecting a reduction in dealer‑level service notices. The 2003 model’s top complaint categories were fuel‑system gasoline (13 complaints), structure (7), steering (7) and suspension (6), with 9 crash‑related complaints and 2 fire complaints recorded in the federal database. Compared with the early‑2000s peak and later model years (e.g., 2011‑2022), the 2003 Frontier sits near the low end of the complaint curve and has a recall frequency similar to the later generation, suggesting it is a comparatively lower‑risk purchase within its generation, though the noted fuel‑system and steering concerns merit verification.

7
Open recalls
NHTSA campaigns
47
Service bulletins
Manufacturer communications
0
ODI investigations
Office of Defects Investigation
77
Owner complaints
9 involved a crash · 2 a fire
NHTSA crash-test rating federal NCAP · out of 5 stars
Rollover★★★★★
Owner complaints by model year NHTSA · this generation & adjacent

Owner complaints filed with NHTSA, by component

All 77 complaints on record, top 8 components.

Fuel System, Gasoline13
Structure7
Steering7
Suspension6
Air Bags4
Unknown Or Other4
Service Brakes, Hydraulic4
Power Train4

Source: NHTSA Office of Defects Investigation complaint database.

Recalls NHTSA · verified

Showing 2 of 7 campaigns on record for this vehicle.

09E012000Exterior LightingReported 07/04/2009

SABERSPORT IS RECALLING 16,270 COMBINATION CORNER AND BUMPER LAMP ASSEMBLIES OF VARIOUS PART NUMBERS SOLD FOR USE AS AFTERMARKET EQUIPMENT FOR VARIOUS PASSENGER VEHICLES. THESE HEADLAMPS FAIL TO CONFORM TO THE… Remedy: SABERSPORT WILL NOTIFY OWNERS AND OFFER A FULL REFUND FOR THE NONCOMPLIANT COMBINATION LAMPS. THE SAFETY RECALL BEGAN ON MAY 11, 2009. OWNERS MAY CONTACT SABERSPORT AT…

10V554000Steering:ColumnReported 11/11/2010

NISSAN IS RECALLING CERTAIN MODEL YEAR 2002-2004 FRONTIER VEHICLES MANUFACTURED FROM JULY 9, 2001 THROUGH OCTOBER 20, 2004, AND MODEL YEAR 2002-2004, XTERRA VEHICLES MANUFACTURED FROM JULY 9, 2001, THROUGH JANUARY 6… Remedy: THE STEERING COLUMN SHAFT AND JOINT WILL BE REPLACED WITH A SHAFT OF A DIFFERENT DESIGN. THIS SERVICE WILL BE PERFORMED FREE OF CHARGE. THE RECALL BEGAN ON DECEMBER 13, 2010…

Technical service bulletins NHTSA · verified

Showing 5 of 47 bulletins on record with NHTSA.

BulletinDateComponentSummary
NTB09-131C2026-04-13StructureCERTIFICATION LABEL AND VIN PLATE REPLACEMENT SERVICE INFORMATION Because of collision…
NTB09-131C2026-04-13StructureCERTIFICATION LABEL AND VIN PLATE REPLACEMENT SERVICE INFORMATION Because of collision…
NTB13-107G2024-05-20Electrical SystemVEHICLE KEY NOT DETECTED / AUTHENTICATED, ENGINE WILL NOT START This bulletin has been…
NTB17-019H2024-04-29Visibility/WiperWINDOW GLASS WARRANTY INFORMATION This bulletin has been amended. See AMENDMENT HISTORY…
NTB13-028I2024-04-29Visibility/WiperREMOVING FOREIGN MATERIAL FROM THE WINDOW GLASS This bulletin has been amended. See…

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 Frontier. 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 Frontier take?

3.5 qt of 5W-30 API, per the factory manual.

Does the 2003 Frontier have open recalls?

NHTSA lists 7 recall campaign(s) for this model year. Check your specific vehicle by VIN.

What gas mileage does the Frontier get?

EPA figures are 17 city / 22 highway / 19 combined mpg.