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Denso 143-3709 Engine Air Filter - Primary
Denso FTF Air Filter for Mustang
The Denso FTF Air Filter, part number 143-3709, is an engine air filter built for select Ford Mustang applications. It is engineered to meet Denso quality standards and support consistent airflow and filtration for everyday driving.
Key Features
- Engine air filter for select Ford Mustang models
- Denso First Time Fit Air Filter line for OE-style replacement needs
- Unique-shaped filter with 284.0 mm side A length, 166.0 mm side B length, and 55.0 mm height
- Built to Denso quality assurance standards
- Part number 143-3709 for easy identification
Product Details
Denso’s First Time Fit Air Filter line is focused on direct-fit replacement parts that align with the dimensions and application requirements of the original filter. This 143-3709 engine air filter is sized for select Ford Mustang models and is intended to help maintain proper intake filtration in the engine air system. If you are searching for a Denso 143-3709 air filter for a Ford Mustang, this part matches the listed fitment and dimensions for the application.
This part cross-references Ford FR3Z 9601-A and Motorcraft FA 1918 for the same application.
What It Helps Address
- Restricted engine airflow from a dirty or clogged air filter
- Dust and debris entering the intake tract
- Reduced filtration performance from a worn OE-style filter
- Fitment issues when replacing the factory Ford Mustang engine air filter
Installation Notes and Fitment
Compatible With 2023 Ford Mustang, Primary. Compatible With 2020-2022 Ford Mustang, Primary, SEFI. Compatible With 2019 Ford Mustang, N/A. Compatible With 2015-2018 Ford Mustang, N/A. Verify the filter shape and dimensions before installation, especially on 2015-2023 Ford Mustang engine air filter applications. The listed part number 143-3709 should be matched to the vehicle’s original filter specification before replacement.
Quality Assurance
Denso states that First Time Fit Air Filters are built to its quality standards and backed by quality assurance. As a global OEM leader in engine filtration components, Denso applies that manufacturing experience to this air filter line for Ford Mustang service parts.
| Brand | Denso |
|---|---|
| Part Number | 143-3709 |
| Position | Engine Air Filter - FTF Air Filter, Primary |
| Height | 55.0 |
| Shape | Other/unique |
| Side A Length | 284.0 |
| Side B Length | 166.0 |
This part fits 11 vehicles. Search below:
| Year | Make | Model | Submodel | Position | Notes |
|---|---|---|---|---|---|
| 2023 | Ford | Mustang | Mach 1 | Primary | Engine Air Filter - FTF Air Filter |
| 2022 | Ford | Mustang | Mach 1 | Primary | SEFI; Engine Air Filter - FTF Air Filter |
| 2021 | Ford | Mustang | Mach 1 | Primary | SEFI; Engine Air Filter - FTF Air Filter |
| 2020 | Ford | Mustang | GT | Primary | SEFI; Engine Air Filter - FTF Air Filter |
| 2019 | Ford | Mustang | GT | N/A | Engine Air Filter - FTF Air Filter |
| 2018 | Ford | Mustang | GT | N/A | FTF Air Filter |
| 2018 | Ford | Mustang | GT Premium | N/A | FTF Air Filter |
| 2018 | Ford | Mustang | N/A | FTF Air Filter | |
| 2017 | Ford | Mustang | N/A | FTF Air Filter | |
| 2016 | Ford | Mustang | N/A | FTF Air Filter | |
| 2015 | Ford | Mustang | N/A | FTF Air Filter |
* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
This part directly replaces or is cross-referenced with the following part numbers:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.