The Jeep Wrangler TJ (1997-2006) is a highly sought-after, purpose-built off-road vehicle known for its iconic design and capability. This parts catalog targets owners and enthusiasts looking for authentic and compatible replacement or upgrade components for their 2004 model year TJ.
Competitive Analysis
Competitive Analysis:
While the Wrangler exists in a niche market, its direct competitors include vehicles with off-road pretensions, but few match the TJ's raw, unadulterated off-road prowess and open-air driving experience. This catalog provides essential resources for maintaining and customizing this unique vehicle.
Key Features
Key Features:
Comprehensive part identification for a wide range of systems, enabling accurate sourcing of OE and aftermarket components. Facilitates accurate repairs and customization projects for the 2004 Jeep Wrangler TJ.
Part identification for replacement and customization
Technical Depth
Technical Depth:
Detailed component breakdown and part identification
📊 Manual Specifications
File Format
File Format:
N/A (Print)
Print Quality
Print Quality:
Professional printing (assumed for a 400-page catalog)
Binding Type
Binding Type:
Stapled or perfect bound (typical for catalogs)
Paper Type
Paper Type:
Durable paper stock suitable for frequent reference
⚙️ Engine Specifications
Primary Engine
Engine Type:
Inline 6-Cylinder
Engine Displacement:
4.0L (242 cubic inches)
Engine Code:
AMC 242
Performance
Horsepower Est:
190 hp @ 4600 rpm
Torque Est:
235 lb-ft @ 3200 rpm
Fuel System
Fuel System Type:
Multi-Port Fuel Injection (MPI)
Other Engines Covered
Engine Variants:
While the 4.0L is primary, parts for the 2.4L DOHC 'PowerTech' 4-cylinder engine (if equipped in 2004 TJ models) would also be cataloged, though less prominently. This catalog specifically mentions a 'Heater Kit - Engine Block, 4.0L Engine', confirming focus on the 6-cylinder.
🔧 Transmission
Standard
Transmission Standard:
4-Speed Automatic (42RLE)
Optional
Transmission Optional:
6-Speed Manual (NV3550)
Features
Transfer Case:
Command-Trac NV231 (standard) or optional Selec-Trac NP242
3500 - 3800 lbs (1588 - 1724 kg) depending on configuration
Cargo
Cargo Volume Behind Rear Seat:
Approx. 16.0 cubic feet
Cargo Volume Max:
Approx. 55.0 cubic feet (rear seat folded)
Wheel Specs
Bolt Pattern:
5x4.5 inches (5x114.3 mm)
Standard Wheel Size:
15-inch or 16-inch steel or alloy
Standard Tire Size:
215/75R15 or 225/75R16
🛡️ Safety Features
Ratings
NHTSA Rollover Resistance:
3-star (for 2-door models, typical for this era)
Active Features
Active Safety Features:
Optional ABS (Anti-lock Braking System)
Passive Features
Passive Safety Features:
Front airbags, seat belts
💡 Technology Features
Infotainment
Infotainment Features:
Basic AM/FM stereo with CD player. Optional CD changer. Connectivity is limited to basic audio inputs.
Driver Assistance
Driver Assistance Features:
Primarily focused on its core off-road capabilities. ABS was an option. No advanced driver-assistance systems (ADAS) typical of modern vehicles.
Connectivity
Connectivity Features:
Limited to audio input (e.g., AUX port on some models) or aftermarket solutions. No Bluetooth or USB connectivity in stock form.
🔧 Maintenance
Service Intervals
Oil Change Interval:
Every 3,000-5,000 miles (or 3-6 months, depending on driving conditions and oil type)
Tire Rotation Interval:
Every 5,000-7,500 miles
Transmission Fluid Change Interval:
Automatic: Approx. 60,000 miles. Manual: Consult service manual, typically longer.
Fluid Specifications
Engine Oil Specification:
API SN/SP, ILSAC GF-6, SAE 10W-30 (preferred for 4.0L) or 5W-30
Coolant Specification:
Chrysler/Mopar HOAT (Hybrid Organic Additive Technology) Antifreeze/Coolant, typically purple or pink
Brake Fluid Specification:
DOT 3
Known Issues
Known Issues:
Common issues include oil leaks from the oil filter adapter housing and valve cover gasket, exhaust manifold cracks (especially on the 4.0L), worn suspension components (bushings, ball joints), and potential for rust on the frame and body panels, particularly in salt-belt regions. The 'ticking' noise from the 4.0L engine is often attributed to lifter noise, which can sometimes be managed but may indicate wear.
📚 Vehicle History
Brand Heritage
Brand Heritage:
Jeep has a legendary history rooted in World War II utility vehicles. The Wrangler nameplate directly evolved from the iconic CJ (Civilian Jeep) series, carrying forward its rugged, go-anywhere reputation.
Model Evolution
Model Evolution:
The TJ generation, introduced for the 1997 model year, represented a significant upgrade over its YJ predecessor. Key improvements included coil spring suspension for a much smoother ride and better articulation, a redesigned interior, and updated powertrains. The 2004 model year saw minor updates, continuing the successful TJ formula.
Production
Production Period:
1997-2006
Production Location
Production Location:
Toledo, Ohio, USA
🏆 Awards & Recognition
Recognitions
Recognitions:
The Jeep Wrangler TJ is consistently recognized by off-road enthusiasts and publications for its unparalleled capability and iconic status. While specific awards for the 2004 model year may not be individually documented, the TJ generation as a whole is widely lauded.