Opparts
ECOGARD

Opparts XA10421 Engine Air Filter - Main

Brand Opparts XA10421
Position Main
Reusable No
Height 2.17
Shape Flexible panel
Side A Length 11.18
Side B Length 10.20
Product line ECOGARD
Fits Ford · 20 vehicles

Installation-tested fit. Built to confirm correct form and function during replacement service.

Flexible panel design. Shaped for a formed filter profile and consistent sealing.

Service replacement filter. Engine air filter for routine intake system maintenance.

Cross-references Baldwin PA10033, ECOGARD XA10421 and Pronto PA8156 for the same application. See all 25.

$34.19Free shipping
In stock · usually ships same day before 1pm CST
Step 1 — Confirm fitment
Free return shipping if it doesn't fit when you check fitment here first.

Select your vehicle to confirm fitment
Verify this part fits before purchasing β€” free returns if it doesn't
Step 2 — Quantity
Order total $34.19
Free shipping to the continental U.S.
Free returns within 60 days if it doesn't fit when fitment is verified.

Engine Air Filter Overview

The Opparts ECOGARD XA10421 engine air filter is built for Ford Mustang applications that use the listed fitment. Its flexible panel design and installation-tested fit help support correct form and function during replacement service.

Key Features

  • Engine air filter for air and fuel delivery service.
  • Flexible panel construction for a formed filter profile.
  • Installation-tested for correct fit, form, and function.
  • Non-reusable design for standard replacement intervals.
  • Fits Ford Mustang applications listed below.

Detailed Fitment and Design

Compatible with 2015-2023 Ford Mustang applications shown in the fitment table, this ECOGARD air filter is shaped to match the airbox opening and sealing surface used in those vehicles. The 2.17-inch height and panel-style construction support a direct replacement profile, while the XA10421 part number helps confirm the correct filter when ordering service parts for a Ford Mustang. This part cross-references Baldwin PA10033 and Wix WA10315 for the same application.

Common Replacement Reasons

  • Restricted airflow from a loaded engine air filter.
  • Dust and debris entering the intake system through a worn filter.
  • Incorrect filter shape or size during routine maintenance.
  • Service replacement for a Ford Mustang air intake filter.

Installation Notes and Tips

Verify the airbox style and match the listed fitment before installation. Confirm the filter dimensions and orientation against the removed part, then seat the filter evenly so the sealing edges align properly. Use the XA10421 part number to verify application when servicing a Ford Mustang.

Quality Assurance

ECOGARD air filters are installation tested to confirm correct fit, form, and function for trouble-free replacement service.

This part fits 20 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersPositionNotes
2023FordMustang2.3LL4N/A—
2022FordMustang5.0LV8MainECOGARD
2022FordMustang2.3LL4MainECOGARD
2021FordMustang5.0LV8MainECOGARD
2021FordMustang2.3LL4MainECOGARD
2020FordMustang5.0LV8N/AECOGARD
2020FordMustang2.3LL4N/AECOGARD
2019FordMustang5.0LV8MainECOGARD
2019FordMustang2.3LL4MainECOGARD
2018FordMustang5.0LV8MainECOGARD
2018FordMustang2.3LL4MainECOGARD
2017FordMustang5.0LV8MainECOGARD
2017FordMustang3.7LV6MainECOGARD
2017FordMustang2.3LL4MainECOGARD
2016FordMustang5.0LV8MainECOGARD
2016FordMustang3.7LV6MainECOGARD
2016FordMustang2.3LL4MainECOGARD
2015FordMustang5.0LV8MainECOGARD
2015FordMustang3.7LV6MainECOGARD
2015FordMustang2.3LL4MainECOGARD
Directly replaces or cross-references 25 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Baldwin — PA10033ECOGARD — XA10421Pronto — PA8156Wix — WA103159-10315128 18 0345000-518216200315518216A8156A48156A90056AF1679AF8156AF9918CA11958DA9918FA1918FR3Z-9601AMA10421PA-635PAF8156PZA635SA90140WAF9918