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- Description
- Fitment
- Warranty and Refund
- Reviews
The MotoRad 1MF121 Mass Air Flow Sensor is engineered to accurately measure the volume of air entering your engine and relay that data to the ECU, helping maintain proper fuel combustion. Built to resist contamination and withstand ongoing vibration, this sensor is designed for long-term durability under real-world driving conditions. Every MotoRad MAF Sensor is manufactured to meet or exceed OEM specifications at IATF16949-certified facilities, giving you confidence in fit and function. With a rectangular blade-style connector featuring 6 pins and both male and female terminal ends, the 1MF121 is a direct functional match for applications including select Ford F-150, F-250 Super Duty, Mustang, and Mercury Grand Marquis models. Backed by MotoRad's limited lifetime warranty on engine management products, this sensor offers a dependable replacement option for maintaining accurate airflow readings and smoother engine operation.
Features
- Rectangular blade-style connector with 6 pins simplifies proper installation and secure electrical connection.
- Manufactured at IATF16949-certified facilities to meet or exceed OEM specifications for reliable fitment.
- Designed to resist contamination and withstand vibration, supporting long-term sensor durability.
- Backed by MotoRad's limited lifetime warranty on engine management products for lasting peace of mind.
- Precisely measures incoming airflow to help the ECU maintain optimum fuel combustion.
Application Summary
2000 Ford E-350 Econoline 5.4L -CC 330CID V8 SOHC 16 Valve Naturally Aspirated GAS2000, 2002 Ford E-450 Econoline Super Duty 5.4L -CC 330CID V8 SOHC 16 Valve Naturally Aspirated GAS
2000-2002 Ford E-150 Econoline 5.4L -CC 330CID V8 SOHC 16 Valve Naturally Aspirated GAS
2000-2002 Ford E-150 Econoline Club Wagon 5.4L -CC 330CID V8 SOHC 16 Valve Naturally Aspirated GAS
2000-2002 Ford E-250 Econoline 5.4L -CC 330CID V8 SOHC 16 Valve Naturally Aspirated CNG
2000-2002 Ford E-350 Econoline Club Wagon 5.4L -CC 330CID V8 SOHC 16 Valve Naturally Aspirated CNG
2000-2003 Ford E-350 Super Duty 5.4L -CC 330CID V8 SOHC 16 Valve Naturally Aspirated CNG
2000-2004 Ford F-250 Super Duty 5.4L -CC 330CID V8 SOHC 16 Valve Naturally Aspirated GAS
2000-2004 Ford F-250 Super Duty 6.8L -CC 415CID V10 SOHC 20 Valve Naturally Aspirated GAS
2000-2004 Ford F-350 Super Duty 5.4L -CC 330CID V8 SOHC 16 Valve Naturally Aspirated GAS
2000-2004 Ford F-350 Super Duty 6.8L -CC 415CID V10 SOHC 20 Valve Naturally Aspirated GAS
2000-2004 Ford F-450 Super Duty 6.8L -CC 415CID V10 SOHC 20 Valve Naturally Aspirated GAS
2000-2004 Ford F-550 Super Duty 6.8L -CC 415CID V10 SOHC 20 Valve Naturally Aspirated GAS
2000-2005 Ford Excursion 5.4L -CC 330CID V8 SOHC 16 Valve Naturally Aspirated GAS
2000-2005 Ford Excursion 6.8L -CC 415CID V10 SOHC 20 Valve Naturally Aspirated GAS
2001 Ford E-450 Econoline Super Duty 5.4L -CC 330CID V8 SOHC 16 Valve Naturally Aspirated CNG
2001-2002 Ford E-150 Econoline 4.6L -CC 281CID V8 SOHC 16 Valve Naturally Aspirated GAS
2001-2002 Ford E-150 Econoline Club Wagon 4.6L -CC 281CID V8 SOHC 16 Valve Naturally Aspirated GAS
2001-2002 Ford E-350 Econoline Club Wagon 6.8L -CC 415CID V10 SOHC 20 Valve Naturally Aspirated GAS
2001-2002 Ford E-450 Econoline Super Duty 6.8L -CC 415CID V10 SOHC 20 Valve Naturally Aspirated GAS
2001-2003 Ford E-350 Super Duty 6.8L -CC 415CID V10 SOHC 20 Valve Naturally Aspirated GAS
2002 Ford E-550 Econoline Super Duty 6.8L -CC 415CID V10 SOHC 20 Valve Naturally Aspirated GAS
2002-2004 Ford Mustang 3.8L -CC 232CID V6 OHV 12 Valve Naturally Aspirated GAS
2003 Ford Crown Victoria 4.6L -CC 281CID V8 SOHC 16 Valve Naturally Aspirated CNG
2003 Ford E-150 5.4L -CC 330CID V8 SOHC 16 Valve Naturally Aspirated GAS
2003 Ford E-150 Club Wagon 5.4L -CC 330CID V8 SOHC 16 Valve Naturally Aspirated GAS
2003 Ford E-250 5.4L -CC 330CID V8 SOHC 16 Valve Naturally Aspirated CNG
2003 Ford E-350 Club Wagon 5.4L -CC 330CID V8 SOHC 16 Valve Naturally Aspirated CNG
2003 Ford E-350 Club Wagon 6.8L -CC 415CID V10 SOHC 20 Valve Naturally Aspirated GAS
2003 Ford E-450 Super Duty 6.8L -CC 415CID V10 SOHC 20 Valve Naturally Aspirated GAS
2003 Ford E-550 Super Duty 6.8L -CC 415CID V10 SOHC 20 Valve Naturally Aspirated GAS
2003 Ford F-150 5.4L -CC 330CID V8 SOHC 16 Valve Supercharged GAS
2003 Lincoln Town Car 4.6L -CC 281CID V8 SOHC 16 Valve Naturally Aspirated GAS
2003-2004 Ford E-150 4.6L -CC 281CID V8 SOHC 16 Valve Naturally Aspirated GAS
2003-2004 Ford E-150 Club Wagon 4.6L -CC 281CID V8 SOHC 16 Valve Naturally Aspirated GAS
2003-2004 Ford E-250 4.6L -CC 281CID V8 SOHC 16 Valve Naturally Aspirated GAS
2003-2004 Ford E-450 Super Duty 5.4L -CC 330CID V8 SOHC 16 Valve Naturally Aspirated CNG
2003-2004 Mercury Grand Marquis 4.6L -CC 281CID V8 SOHC 16 Valve Naturally Aspirated GAS
2004 Ford Crown Victoria 4.6L -CC 281CID V8 SOHC 16 Valve Naturally Aspirated GAS
2004 Ford F-150 5.4L -CC 330CID V8 SOHC 24 Valve Naturally Aspirated GAS
2004 Ford F-150 Heritage 4.6L -CC 281CID V8 SOHC 16 Valve Naturally Aspirated GAS
2004 Ford F-53 Motorhome Chassis 6.8L -CC 415CID V10 SOHC 20 Valve Naturally Aspirated GAS
Specifications
- Brand: Motorad
- Part Number: 1MF121
- Part Type: Mass Air Flow Sensor
- UPC: 055644701202
- GTIN: 00055644701202
- Item Dimensions: 4.2900 x 3.7000 x 2.9500 IN
- Package Dimensions: 4.2900 x 3.7000 x 2.9500 IN
- Package Weight: 0.2300 PG
- Package Quantity: 1 EA
- Color: Black
- Terminal Type: Blade
- Mounting Hardware Included: No
- Wire Quantity: 6
- Connector Quantity: 1
- Connector Shape: Rectangular
- Mounting Hole Quantity: 2
- Terminal Quantity: 6
Interchange
- CARDONE Reman: 7450019
- Motorad: 1MF121
- BWD: 29038
- BWD: MA1085
- BWD: 20864M
- Delphi Engine Management: AF10131
- Standard Motor Products: MAS0248
- Standard Motor Products: MF0866
- Spectra Premium: MA201
- Walker Products: 2451136
- WAI: MAF50019
- TPI True Parts Incorporated: MAF1026
- HOLSTEIN: 2MAF0080
- Ford: YC2Z12B579AA
- Ford: YC2Z12B579BA
- Ford: YC2Z12B579BARM
- Ford: YC2Z12B579BBRM
Warranty
- Warranty Type: Lifetime
- Warranty Description: Limited Lifetime
Returns
30-Day Money-Back Guarantee
We want you to be completely satisfied with your purchase! If you are not happy for any reason, you may return the item within 30 days for a refund, minus shipping fees, provided that: The part is brand new, uninstalled, and undamaged in any way.
To initiate a return, please contact us or email support@mizumoauto.com for a Return Authorization Number (RMA) and the return shipping address. Returns without an RMA number will be refused and returned to you at your expense.
Return Requirements:
- Items must be securely packed in the original manufacturer's packaging.
- All original materials must be included, such as hardware, manuals, protective caps, wrapping, and instructions.
- You must obtain and retain the tracking number for your return.
Non-Returnable Items:
- Piston rings, main bearings, and rod bearings are non-returnable if the manufacturer’s seal or shrink-wrapped plastic has been opened. No exceptions—this ensures the integrity of the parts you receive.
We are not responsible for lost or damaged returns. If your return is lost or damaged during shipping, a refund cannot be issued, as the item cannot be resold or returned to the supplier. Please file a claim directly with your shipping carrier for reimbursement.
Refunds are processed within 1-2 business days after we receive and inspect the returned item. Please allow this processing time before inquiring about your refund status.
Warranty
Mizumo Auto provides a 90-day Limited Warranty against defects in workmanship and materials under normal service conditions, effective from the original delivery date.
This warranty is non-transferable and applies only to the original purchaser. Coverage is limited to the replacement or refund of defective products.
Exclusions:
The warranty does not cover labor costs, damage resulting from accidents, misuse, alterations, or unauthorized modifications, as well as additional expenses such as towing, fluids, oils, car rentals, and any other parts not included in the original purchase.
Warranty Claims Process:
- All warranty claims must be pre-authorized and returned prepaid to Mizumo Auto for inspection and approval.
- No exchanges will be made for products that have been damaged, misused, or improperly installed. We strongly recommend professional installation.
- The buyer assumes all risk of damage resulting from improper installation.
All disputes related to transactions shall be resolved by a court of competent jurisdiction in Los Angeles County, California.
Shipping
We offer Free UPS Ground or USPS Ground Advantage shipping within the continental U.S. (48 states).
Shipping to Other Locations:
A delivery surcharge applies to shipments to: Alaska, Hawaii, Puerto Rico, U.S. territories, APO/FPO addresses, Canada, and international destinations.
Order Processing & Tracking:
- Orders are shipped Monday through Friday, excluding holidays.
- Orders placed before 3:00 PM PST will ship the same day, unless unexpected delays occur.
- A tracking number will be emailed within one business day after shipping.
If you do not receive a tracking number, please:
- Check your spam/junk folder.
- If it's not there, contact us via phone or eBay message for assistance.
International Orders:
Import duties, taxes, and brokerage fees are not included in the shipping fee. Please check with your shipping carrier and local customs office regarding any applicable fees before placing your order.









