RETURN LEAK OFF PIPE WITH SENSOR TRANSIT/MONDEO 1.8 TDCI (4M5Q9K022AG) - Simms Diesel
RETURN LEAK OFF PIPE WITH SENSOR TRANSIT/MONDEO 1.8 TDCI (4M5Q9K022AG) - Simms Diesel

RETURN LEAK OFF PIPE WITH SENSOR TRANSIT/MONDEO 1.8 TDCI (4M5Q9K022AG)

SKU 4M5Q9K022AG

TOTAL

$210.00

ENQUIRE NOW

Sourced Direct From Our Supplier

Delivered between 7-14 days

Click & Collect 7-14 days

Safe, secure
Checkout

Refunds In
14 Days

EST
1920

Shipping & Delivery

Shipping Rules

  • If an order exceeds 2.5m3 or 25kg we will email the cost for freight after your order has been place. If you want to know the cost prior please email us!
  • All prices on our website exclude freight
  • We only deliver to New Zealand Street addresses.
  • Shipping cost is calculated at the checkout as it is based on volume and weight and will be shown before purchasing.
  • We do our best to ensure products have a fair rate imposed upon them. If you believe that we’ve over charged you please contact us

Processing and Dispatch:

When you place an order with us you will be notified with a confirmation email acknowledging your order has been received and your payment has been processed.
Once your product/s has been dispatched, you will receive a tracking number so you can monitor your order’s delivery progress
Please ensure your shipping address and order information is correct before placing an order as we cannot guarantee we can make
adjustments to orders before shipment.

Estimated Delivery times:

  • Standard Delivery: 2-5 working days
  • Rural Delivery 4-6 working days.

Delivery times may vary between islands.
For all pick up orders placed on the website, we will contact you by phone to confirm that we are processing your order and arrange a date and time for collection.

Delivered but not Received:
If your package was marked “Delivered” by the Courier Service but you did not receive it, we recommend contacting the postal carrier with your track and trace number. Your postal carrier can track where the package was dropped off via GPS when scanned.

International orders:
Please email us for international delivery charges as we are currently trying to negotiate rates.

Terms & Conditions

Simms diesel offer a  12-month warranty or (20,000 km) which is given from date of invoice on new parts and exchange units.
 

Please notify us  of the warranty issue when first known.  Please do not apply warranty without our approval.
 

The warranty only applies to those parts that are deemed defective and will be replaced, credited or refunded (at the supplier’s discretion) at no charge. 
The defect must not result from any of the following:
 

The following conditions apply:

  • There must be no modification or adjustment to the product
  • Incorrect operation or use of the product
  • Any contamination of the product by fuel, oil or other impurities
  • Misuse of the product in respect to the product specifications
  • Incorrect installation of product

Please note the warranty provided applies to parts only not labour costs.


Claim Procedure

If a product is suspected to be faulty or defective, notify us at sales@simmsdiesel.co.nz  Please note proof of purchase must be given with an explanation of issue with photo evidence (if available). We can then investigate and determine the outcome.

This Return Leak-Off Pipe with Sensor is a direct replacement fuel system component designed for Ford 1.8 TDCi diesel engines. It safely channels excess fuel from the injectors back into the fuel system while the integrated sensor helps ensure accurate monitoring and proper engine performance.

Manufactured to match OEM specifications, this return pipe delivers reliable fitment and long-lasting durability — ideal for replacing worn, cracked, or leaking lines that can compromise engine performance.

Key Features

  • OEM-spec fitment for a direct replacement

  • Built to meet original equipment performance standards

  • Integrated sensor for accurate fuel return monitoring

  • Durable construction for long service life

  • Helps maintain proper diesel fuel system efficiency

Part Numbers

  • OEM / Reference: 4M5Q-9K022-AG

  • Supplier / Secondary: 1521487

Vehicle Applications

This part is suitable for the following Ford diesel-powered vehicles with 1.8 TDCi engines:

  • Ford C-Max 1.8 TDCi (2007–2010)

  • Ford Focus 1.8 TDCi (2004–2012)

  • Ford Focus C-Max 1.8 TDCi (2005–2007)

  • Ford Galaxy 1.8 TDCi (2006–2015)

  • Ford Mondeo 1.8 TDCi (2007–2015)

  • Ford S-Max 1.8 TDCi (2006–2014)

  • Ford Tourneo Connect 1.8 TDCi (2002–2013)

Why Replace This Part?

A damaged or worn return leak-off pipe can lead to:

  • Visible diesel fuel leaks

  • Hard starting or rough idle

  • Fumes in the engine bay or cabin

  • Reduced fuel system efficiency

This quality replacement helps restore proper fuel return flow and reliable engine operation.

Fitment Notes

Please verify your vehicle’s year, engine type, and part number before ordering to ensure correct compatibility. If you’re unsure, our diesel specialists are happy to assist.

Need Help?

Questions about fitment or application? Contact us anytime — we’re here to help you find the right part.

ASK ABOUT THIS PART

RELATED PRODUCTS:

Services

PUMP REPAIR

CAT REPAIR

TURBO REPAIR

DIAGNOSIS

DPF CLEANING

INJECTOR REPAIR

Frequently Asked Questions

HAVE ANOTHER QUESTION?

call us on: 09 579 1159

How long will delivery take?

Our standard delivery timeframe is typically 2-5 working days. For rural addresses, please allow 4-6 working days for delivery.

Do you offer Warranty?

Simms diesel offers a 12-month warranty or (20,000 km) which is given from date of invoice on new parts and exchange units.
Please notify us  of the warranty issue when first known.  Please do not apply warranty without our approval.

What happens if my product I receive is faulty?

If a product is suspected to be faulty or defective, notify us at sales@simmsdiesel.co.nz  Please note proof of purchase must be given with an explanation of issue with photo evidence (if available). We can then investigate and determine the outcome.

What if I do not find the part I need?

If your not finding the part you are looking for, send us a message on our Part Request form with what your after and we will do our best to source it for you.

Do you have a warehouse or workshop we can visit?

Yes! We welcome you to visit us at our Penrose workshop and showroom at 
 
77 Leonard Road, Penrose, Auckland 1060

Fast Shipping

Low Prices

Wholesale Options