Womala Injector Nozzle Assembly LR105439 for Land Rover Discovery V Range Rover IV

Product Overview

The Fuel Injector Assembly LR105439 is a Genuine OE-grade direct injection (GDI) fuel injector engineered for the 5.0L AJ133 V8 petrol engine in select for Land Rover and for Jaguar vehicles. This high-pressure injector delivers precisely metered, finely atomised fuel directly into the combustion chamber under electronic control from the engine management system, ensuring efficient combustion, optimal power output, and reduced emissions. LR105439 is the current replacement part, superseding LR011964, LR019568, LR037088, LR069897, and LR079542.

Key Features

• GDI (Gasoline Direct Injection) design – high-pressure fuel delivery for efficient combustion

• OE-grade quality – Genuine Land Rover / Jaguar specification

• Direct-fit replacement – matches factory fuel rail and injector bore specifications

• Complete kit – includes O-ring, retainer, and seal

• For 5.0L V8 petrol engines – AJ133 naturally aspirated and supercharged variants

• Quantity required – 8 injectors per engine

OE Cross-Reference

Supersession Path: LR011964 → LR019568 → LR037088 → LR069897 → LR079542 → LR105439

💡 Supersession Note: LR105439 replaces all earlier part numbers listed above. Jaguar equivalents include C2D45736, C2D24386, C2D45732, C2D55183, and C2P16489.

Vehicle Fitment

Engine details (verify with VIN):

• 5.0L OHC SGDI NA V8 Petrol (AJ133)

• 5.0L OHC SGDI SC V8 Petrol (AJ133)

⚠️ Important: This injector is specifically for the 5.0L V8 petrol engine (AJ133) – not for diesel, 3.0L, or 2.0L variants. Quantity required: 8 injectors per engine.

Signs of Failure

• Rough idle – engine idles unevenly or vibrates

• Engine misfires – noticeable loss of power, rough running, or stalling

• Reduced engine performance – lack of power or difficulty maintaining speed

• Increased fuel consumption – excessive fuel injected into the engine

• Check engine light – misfire-related DTCs

💡 A faulty fuel injector can cause serious engine damage if left unaddressed. Symptoms of wear or malfunction can include irregular idling, increased fuel consumption, smoke, or loss of power.

Critical – Verify Your VIN Before Ordering

Fuel injectors are VIN‑, engine‑, and production‑specific. LR105439 is confirmed for the 5.0L V8 petrol engine (AJ133) – both naturally aspirated and supercharged variants. Provide your VIN – our team confirms exact compatibility before dispatch. We cannot accept returns for misordered parts without VIN verification.

💡 Installation Tip: Professional installation recommended. New injectors require coding and calibration with diagnostic equipment after fitting. Use new O-rings, retainers, and seals during installation (included in the kit). Before installation, verify the seal and operating parameters on a test bench.

Technical Specifications

Why Choose Us

Contact us for bulk orders or VIN‑checked quotes.

Specifications subject to change; images for reference only.Aftermarket replacement – not affiliated with Jaguar Land Rover.

Frequently Asked Questions

• Extensive Industry Experience: 13 years specializing in Auto Parts auto parts with precise product matching and technical solutions.
• Quality Assurance: 10-stage quality inspection process including durability testing, surface roughness analysis, and dimensional verification.
• Manufacturing Excellence: 15,000㎡ production base with 10,000+ SKUs in inventory for fast order fulfillment.
• Strategic Partnerships: Collaborations with 50+ factories including suppliers to international brands like Womala and Hella.