Mon–Fri 8 am – 5 pm
903 Del Paso Blvd, Sacramento
Used 2003 Mercury Mountaineer Engine / Motor Control Module
Which engine size does your Mountaineer have?The 4 parts that fit differ by engine size.
Verify fitment before ordering. Year, make and model are a starting point — engines, transmissions and other parts can differ by VIN, engine code, transmission code or build date. Call 916-925-0458 or send us your VIN and we'll confirm.
Engine / Motor Control Module2003 Mercury Mountaineer Engine / Motor Control Module 3U7Z12A650BRB
Only fits vehicles with: a 4.6L engine · an automatic transmissionShipping or local pickup$20.00
From a 2003 Ford ExplorerEngine / Motor Control Module2003 Ford Explorer Engine / Motor Control Module 3L2Z12A650XE
Only fits vehicles with: a 4.0L engine · an automatic transmissionShipping or local pickup$31.20- Photo coming soonFrom a 2003 Ford ExplorerEngine / Motor Control Module
2003 Ford Explorer Engine / Motor Control Module 3U7Z12A650BGD
Only fits vehicles with: a 4.0L engine · an automatic transmissionShipping or local pickup$31.20 - Photo coming soonFrom a 2003 Ford ExplorerEngine / Motor Control Module
2003 Ford Explorer Engine / Motor Control Module 3U7Z12A650BGD
Only fits vehicles with: a 4.0L engine · an automatic transmissionShipping or local pickup$31.20
About these 2003 Mercury Mountaineer Engine / Motor Control Module
Every part on this page is a used OEM part that fits the 2003 Mercury Mountaineer — pulled from 2003 Mountaineers and from other vehicles with interchangeable parts at our Sacramento yard. Each listing shows the donor vehicle, its mileage, condition notes and the exact years and options it fits.