Looking to upgrade or maintain your 1999 Jeep Wrangler? Whether you’re an off-road enthusiast or restoring a beloved classic, finding the right parts is crucial for performance and style. This shopping guide will help you navigate the top options for ’99 Jeep Wrangler parts, ensuring your ride is always adventure-ready, reliable, and uniquely yours. Discover the essentials and best buys for your rugged companion!
99 Jeep Wrangler Parts: Comprehensive Buyer’s Guide
Comparison Table: Types and Applications of 99 Jeep Wrangler Parts
| Part Category | Description | Common Applications | OE or Aftermarket | Typical Cost Range |
|---|---|---|---|---|
| Suspension & Lift | Shocks, springs, lift kits for off-road use | Improved clearance, off-roading | Both | $100 – $1,200+ |
| Engine Components | Gaskets, belts, mounts, sensors, exhaust parts | Maintenance, performance enhancement | Both | $50 – $600+ |
| Drivetrain | Axles, driveshafts, transfer case, clutch | Repair, upgrades, heavy-duty applications | Both | $100 – $1,000+ |
| Body & Armor | Bumpers, fenders, body armor, skid plates | Trail protection, style upgrades | Aftermarket | $80 – $1,500+ |
| Interior | Seats, consoles, carpeting, audio, lighting | Comfort, convenience, personalization | Both | $30 – $800+ |
| Electrical | Alternator, battery, wiring, lighting upgrades | Reliability, improved vision, safety | Both | $15 – $500+ |
| Exterior Accessories | Tops, racks, mirrors, step bars, doors | Utility, protection, appearance | Both | $40 – $2,000+ |
| Brakes & Steering | Pads, calipers, steering stabilizers, kits | Handling, safety improvement | Both | $30 – $700+ |
Choosing Quality 99 Jeep Wrangler Parts
Signs of Quality
When shopping for 1999 Jeep Wrangler parts, always keep an eye on these indicators of quality:
- Material: High-grade steel, aluminum, or reinforced plastics ensure strength, especially for suspension, body, and drivetrain parts.
- Certifications: Look for OEM (Original Equipment Manufacturer) certification or well-known aftermarket brands recognized for reliability (e.g., Mopar, Rough Country).
- Precision Fit: Parts made specifically for 1999 Jeep Wrangler (TJ) models, ensuring no modification or jury-rigging is necessary.
- Warranty: Quality parts often come with a manufacturer’s warranty, a sign the maker stands behind its product.
- Finishes: Powder coating, anodizing, or rust-proofing (especially on exterior/body components) increase the part’s service life.
- Brand Reputation: Established brands are generally more trustworthy. Check customer reviews and ratings for confirmation.
Customization Options
One of the greatest appeals of the Jeep Wrangler is its nearly limitless customization potential. When choosing parts, consider:
- Purpose: Are you building for daily driving, rock crawling, mudding, or overlanding? Your intended use determines the best upgrades.
- Lift Kits: Opt for 2.5″ to 4″ lifts for moderate off-roading. Higher lifts (6″+) are for extreme terrain and may require additional modifications (like driveshafts, brake lines).
- Armor: Skid plates, bumpers, rock sliders, and fender flares are available in a range of styles and materials for trail protection.
- Lighting: Upgrade factory lights with LED or HID technology for better visibility and a custom look.
- Interior Comfort: Swap out seat covers, center consoles, and add modern infotainment for a better cabin experience.
- Performance Mods: Cold air intakes, performance exhausts, re-gearing, or even engine swaps are possible for more power or efficiency.
- Soft vs. Hard Tops: Each offers different benefits. Soft tops excel in versatility, while hard tops provide better security and insulation.
Durability: Make it Last
Durability is paramount, especially if you venture off the pavement. Here’s what to look for:
- Corrosion Resistance: Choose galvanized, powder-coated, or stainless-steel hardware where possible.
- Sealed Components: Water/dust sealing for bearings, electronics, and joints is critical for longevity, especially in harsh environments.
- Quality Fasteners: Opt for grade 8 bolts or better for suspension, steering, and armor installations.
- Heavy-Duty Designs: Upgraded axles, driveshafts, and bumpers must withstand more force than stock parts—look for reinforced welds and gusseting.
- UV and Weather Protection: UV-resistant interior and exterior plastic or fabric parts won’t degrade in the sun.
Practical Tips When Selecting 99 Jeep Wrangler Parts
- Know Your Drivetrain & Model
Identify whether you have a 2.5L I4 or a 4.0L I6 engine, automatic or manual transmission, and any existing modifications before you buy. - Compatibility is Key
Not all parts fit every trim or sub-model—double-check part numbers and fitment guides. - Purpose-Built vs. Universal
Whenever possible, choose purpose-built, vehicle-specific parts to avoid headaches during installation. - Budget Wisely
Balance long-term savings with initial investment: higher-quality parts last longer and typically require less maintenance. - Start With Essentials
Prioritize critical repairs first (brakes, steering, suspension). Once the Jeep is reliable, add performance and cosmetic upgrades. - Installation Skills
Assess your DIY ability. Simple bolt-on parts can be installed at home; complex drivetrain or engine mods often require professional help. - Look for Kits
Some mods (lift kits, drivetrain swaps) are sold as complete packages with everything needed, saving time and hassle. - Future-Proof Upgrades
Plan modifications with the end goal in mind—re-gear differentials if planning larger tires, for example. - Warranty & Return Policy
Favor vendors who offer easy returns and solid warranties, especially if you’re experimenting with fitment. - Consult the Jeep Community
Forums, local groups, and online reviews provide valuable real-world feedback on what works and what to avoid.
Technical Specifications Comparison Table
| Feature/Part | OE Specification | Common Aftermarket Upgrade | Durability Rating | Typical Use Case |
|---|---|---|---|---|
| Front Axle | Dana 30, 27-spline shafts | Dana 44 upgrade, chromoly shafts | High | Off-road, HD tire fitment |
| Rear Axle | Dana 35, 27-spline shafts | Dana 44 or Ford 8.8 swap | Very High | Heavy off-road, high torque |
| Lift Kit | Stock (no lift) | 2.5–6″ lift coil springs/shocks | Medium to High | Clearance for larger tires |
| Engine | 2.5L I4 or 4.0L I6, OHV | Stroker kits, ECM tuners | Varies | Performance, towing |
| Transmission | AX-5 (I4), AX-15 (I6), 32RH (A/T) | NV3550 swap (manual), AW4 swap | High | Strength, gear range improvement |
| Skid Plates | Mild steel | 3/16″ steel or aluminum | Very High | Rock crawling, underbody protection |
| Bumpers (Front/Rear) | Thin steel stock | 3/16″–1/4″ steel w/ recovery tabs | Very High | Winch mounting, off-road protection |
| Lighting | Sealed beam halogen | DOT-approved LED, HID | High | Improved visibility, aesthetics |
| Suspension Control Arms | Stock stamped steel | Adjustable heavy-wall tubing | High | Suspension flex, adjustability |
| Seat Covers | Fabric/vinyl | Neoprene, ballistic nylon | High | Water/mud/dirt resistance |
Best Practices for Getting the Most Out of Your Wrangler
- Regular Maintenance: Prioritize routine checks on vital components—fluids, brakes, belts, and seals—for maximum reliability.
- Rust Prevention: Especially important for frame and undercarriage parts, particularly in northern/salty climates.
- Upgrading in Stages: Make upgrades slowly and test after each step to prevent new problems and spot issues early.
- Keep Spare Parts: For popular trail fixes (U-joints, fan belts, relays), stash a few spares in your vehicle.
- Torque Specs Matter: Use a torque wrench for suspension, drivetrain, and wheel lug nuts to avoid breakage or unsafe conditions.
- Document Changes: Keep a log of part numbers, installation dates, and torque values for future reference and resale value.
Related Video
Conclusion
Building, restoring, or upgrading a 1999 Jeep Wrangler is as rewarding as it is challenging. By focusing on parts designed for quality, durability, and your unique needs, you unlock the legendary performance and customization potential that Wranglers are known for.
Always prioritize compatibility, plan future enhancements, and never compromise on safety-related components like brakes and steering. With the right approach and the right parts, your 1999 Jeep Wrangler can handle daily driving, adventurous trail work, and everything in between—while reflecting your personality and vision.
FAQ
What are the most common upgrades for a 1999 Jeep Wrangler?
Popular upgrades include lift kits, larger tires, upgraded bumpers, winches, LED lighting, skid plates, and improved suspension components for better off-road performance.
Should I buy OEM or aftermarket parts?
OEM (Original Equipment Manufacturer) parts guarantee original fit and performance. Aftermarket parts offer more variety and potential for improvements in strength, performance, and price, but quality varies. For safety-critical items, lean towards OEM or trusted aftermarket brands.
How can I ensure compatibility with my Wrangler?
Check your Wrangler’s VIN, engine size (2.5L I4 or 4.0L I6), transmission type, and axle options to match the correct part numbers. Confirm fitment in product descriptions and, if unsure, consult with knowledgeable staff.
Are lift kits safe for daily driving?
Yes, when properly installed with quality components, moderate lift kits (2–4″) do not usually compromise on-road safety. Extreme lifts may negatively affect handling and should be executed with additional upgrades (e.g., driveshafts, steering stabilizers).
How do I choose between a hard top and a soft top?
Hard tops offer better insulation, security, and noise reduction, especially in cold climates. Soft tops are lighter, easier to remove, and more versatile but offer less security and insulation.
What’s the best way to improve off-road capability?
Combine larger all-terrain tires, a moderate lift, skid plates, lockers (or limited-slip differentials), and recovery gear for the most noticeable improvement off-road.
Are upgraded bumpers and armor worth the investment?
Yes. Heavy-duty bumpers and body armor protect your Jeep from damage on and off the trail and also provide mounting points for accessories like winches and lighting.
How do I maintain electrical and lighting upgrades?
Seal all electrical connections with dielectric grease and use proper fuses/relays. Regularly inspect for water ingress and loose connections, especially after off-road use.
Can I install most parts myself, or do I need a professional?
You can install many bolt-on upgrades (lights, armor, soft tops) with basic tools and mechanical know-how. Complex mechanical work (suspension, drivetrain, engine) often requires special tools and professional experience.
How do I maximize the longevity of my Jeep’s new parts?
Regular cleaning, rust prevention measures, using anti-seize on fasteners, following manufacturer maintenance guides, and inspecting for wear frequently will extend the life of your Wrangler’s components.
By keeping these tips and guidelines in mind, you’re well on your way to making the most of your 1999 Jeep Wrangler, ensuring it’s prepared for everyday adventures and unforgettable trails ahead.