Womala Engine A/C Belt Idler Pulley LR138946 for Land Rover Range Rover

Product Overview

The Drive Belt Idler Pulley LR138946 is a Genuine OE-grade engine component for for Land Rover and for Jaguar vehicles with 2.0L Ingenium petrol and diesel engines. Also known as a deflection/guide pulley, this 80mm diameter component maintains proper tension on the serpentine accessory drive belt, ensuring reliable operation of the alternator, A/C compressor, and power steering pump . LR138946 supersedes LR071758; T2H46586 and T2H1399 are Jaguar equivalents .

Key Features

• 80mm diameter – precision-engineered to OE specifications 

• Maintains belt tension – prevents belt slippage and accessory failure

• OE-grade quality – genuine Land Rover specification

• Direct-fit replacement – matches factory mounting points; no modifications required

• For 2.0L Ingenium engines – petrol (AJ200P) and diesel (AJ20D4) variants 

OE Cross-Reference

Additional references: GX7319A216EA, GX7319A216EB 

Vehicle Fitment

⚠️ Important: Fits 2.0L Ingenium petrol and diesel engines only – not for V6/V8 variants. Fitment varies by model year, production date, and VIN range – verify before ordering.

Signs of Failure

• Rumbling or rattling noise – from front of engine, especially at idle

• Visible belt wear – cracking, glazing, or fraying on the drive belt

• Accessory malfunction – alternator / A/C / power steering issues

• Belt slippage – loss of accessory drive function

💡 Continuing to drive with a damaged pulley could destroy the belt if the pulley seizes or breaks apart. Recommended replacement interval is typically 60,000–100,000 miles .

Critical – Verify Your VIN Before Ordering

Idler pulleys are VIN‑, engine‑, and model‑year‑specific. Variations in engine type (petrol vs. diesel), production date, and chassis configuration affect fitment. 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. When replacing the idler pulley, inspect the drive belt and tensioner for wear – replace if necessary. Torque to manufacturer specifications.

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

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