Audi Q7 4L Left Exhaust Manifold 4.2L V8 - Used Original Parts
RM 550
Condition: Used (Original)Description
Product Title
Audi Q7 4L Left Exhaust Manifold 4.2L V8 - Used Original Parts
Diagnosis and Common Symptoms
On the 4.2L V8 (BAR/CAS engine codes) fitted to the Audi Q7 4L, the left-bank exhaust manifold is a common failure point due to thermal cycling stress between the cast manifold flange and the cylinder head. Technicians typically encounter fault codes such as P0136, P0156, or P2196 (Bank 2 O2 Sensor Circuit/Signal issues) triggered by exhaust leaks at the manifold gasket seat. Customers often report a distinct ticking or tapping noise on cold start that diminishes as the engine warms up, along with a raspy exhaust tone under acceleration. In more severe cases, a cracked manifold can trigger the Check Engine Light due to lean fuel trim codes (P0171/P0174) as unmetered air enters the exhaust stream before the oxygen sensors. Scan tool diagnostics will often show fuel trim discrepancies isolated to Bank 2 when the fault lies specifically with the left-side manifold.
Introduction
This listing is for a Genuine Used left exhaust manifold pulled directly from an Audi Q7 4L equipped with the 4.2L V8 engine. Every unit in our inventory is Tested prior to listing to confirm structural integrity and absence of cracks at high-stress zones. Sourced from a verified donor vehicle, this part offers a reliable, cost-effective alternative to new dealer pricing without compromising fitment or function. As with all our Genuine Used components, this manifold has been inspected by our technical team to ensure it meets road-ready standards.
Product Details
- Brand: Audi
- Model Compatibility: Audi Q7 4L (4.2L V8, BAR/CAS engine code)
- Part Name: Left Exhaust Manifold (Bank 2)
- Condition: Genuine Used (Tested Working)
- Notes: Visually inspected for cracks and warping
- Notes: Mounting studs and flange surface checked for integrity
- Notes: Direct-fit replacement, no aftermarket modification required
Frequently Asked Questions
Q: What symptoms indicate failure? A: Common indicators include a ticking/tapping sound at cold start, exhaust leak noise near the firewall, illuminated Check Engine Light with codes like P0136 or P0171, and reduced engine performance due to lean fuel trim conditions on Bank 2.
Q: Does this require coding? A: No coding is required for this component. The exhaust manifold is a mechanical part with no electronic module dependency, so it can be installed and used immediately without software adaptation.
Q: Is this original? A: Yes, this is a Genuine Audi part removed from an original Q7 4L donor vehicle, not an aftermarket reproduction.
Why Choose Us?
- Verified functionality
- Actual photos/videos provided
- 30-day exchange warranty
- Precision-matched casting ensures proper gasket sealing and eliminates guesswork on fitment
Shipping
Location: Kuala Lumpur, Malaysia Shipping: West Malaysia RM50 (Estimate) / East Malaysia RM80 (Estimate) Delivery: 1-2 working days Packaging: Secure anti-static packaging, heavy-duty shock absorption. (We send actual photos/videos of the unit and packaging before shipping)
Warranty and Return Policy
- 30-day exchange warranty from the date of receipt.
- Proof of professional installation by a qualified workshop is required for warranty claims.
- No returns if the item is opened, modified, tampered with, or damaged due to incorrect electrical wiring.
- Exchange only for confirmed internal electronic defects.
How to Order
- WhatsApp us to confirm compatibility with your specific VIN.
- Send your chassis number or a clear photo of your old unit label.
- Confirm order details and stock availability.
- Receive actual product photos and diagnostic test confirmation.
- Make payment via bank transfer.
- Item is shipped immediately with tracking details provided.
Contact Us
Ready to order or have questions? Tap the WhatsApp button to chat with our team directly.
Price Notice
Price is estimated only. Actual price depends on current stock levels, specific part number revisions, and unit condition. Please WhatsApp us for a formal quote.
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