Fuel Pump Module Assembly 42021-AL02C for Subaru 2015-2019 Outback Legacy 2.5L
This fuel pump is engineered as a direct replacement for the Subaru 2015-2019 Outback Legacy 2.5L. Manufactured to meet or exceed OEM specifications, it delivers reliable performance in demanding conditions. Each unit is tested for fuel flow, pressure rating, and durability before leaving the factory to ensure consistent quality across every order.
Vehicle Compatibility
| Application | Details |
|---|---|
| Fuel Pump Module Assembly 42021 | AL02C for Subaru 2015-2019 Outback Legacy 2.5L Replacement Part Number: 42021-AL02C, 42021AL02C Applications:Fit For Subaru Vehicle:2019 Legacy 2.5i Limited Sedan 4-Door 2.5L 2498CC 152Cu. In. H4 GAS DOHC Naturally Aspirated 2019 Legacy 2.5i Premium Sedan 4-Door 2.5L 2498CC 152Cu. In. H4 GAS DOHC Naturally Aspirated 2019 Legacy 2.5i Sedan 4-Door 2.5L 2498CC 152Cu. In. H4 GAS DOHC Naturally Aspirated 2019 Legacy 2.5i Sport Sedan 4-Door 2.5L 2498CC 152Cu. In. H4 GAS DOHC Naturally Aspirated 2019 Legacy 2.5i Touring Sedan 4-Door 2.5L 2498CC 152Cu. In. H4 GAS DOHC Naturally Aspirated 2019 Outback 2.5i Limited Wagon 4-Door 2.5L 2498CC 152Cu. In. H4 GAS DOHC Naturally Aspirated 2019 Outback 2.5i Premier Wagon 4-Door 2.5L 2498CC 152Cu. In. H4 GAS DOHC Naturally Aspirated 2019 Outback 2.5i Premium Wagon 4-Door 2.5L 2498CC 152Cu. In. H4 GAS DOHC Naturally Aspirated 2019 Outback 2.5i Touring Wagon 4-Door 2.5L 2498CC 152Cu. In. H4 GAS DOHC Naturally Aspirated 2019 Outback 2.5i Wagon 4-Door 2.5L 2498CC 152Cu. In. H4 GAS DOHC Naturally Aspirated 2018 Legacy 2.5i Limited Sedan 4-Door 2.5L 2498CC 152Cu. In. H4 GAS DOHC Naturally Aspirated 2018 Legacy 2.5i Premium Sedan 4-Door 2.5L 2498CC 152Cu. In. H4 GAS DOHC Naturally Aspirated 2018 Legacy 2.5i Sedan 4-Door 2.5L 2498CC 152Cu. In. H4 GAS DOHC Naturally Aspirated 2018 Legacy 2.5i Sport Sedan 4-Door 2.5L 2498CC 152Cu. In. H4 GAS DOHC Naturally Aspirated 2018 Legacy 2.5i Touring Sedan 4-Door 2.5L 2498CC 152Cu. In. H4 GAS DOHC Naturally Aspirated 2018 Outback 2.5i Limited Wagon 4-Door 2.5L 2498CC 152Cu. In. H4 GAS DOHC Naturally Aspirated 2018 Outback 2.5i Premier Wagon 4-Door 2.5L 2498CC 152Cu. In. H4 GAS DOHC Naturally Aspirated 2018 Outback 2.5i Premium Wagon 4-Door 2.5L 2498CC 152Cu. In. H4 GAS DOHC Naturally Aspirated 2018 Outback 2.5i Touring Wagon 4-Door 2.5L 2498CC 152Cu. In. H4 GAS DOHC Naturally Aspirated 2018 Outback 2.5i Wagon 4-Door 2.5L 2498CC 152Cu. In. H4 GAS DOHC Naturally Aspirated2017 Legacy 2.5i Limited Sedan 4-Door 2.5L 2498CC 152Cu. In. H4 GAS DOHC Naturally Aspirated 2017 Legacy 2.5i Premium Sedan 4-Door 2.5L 2498CC 152Cu. In. H4 GAS DOHC Naturally Aspirated 2017 Legacy 2.5i Sedan 4-Door 2.5L 2498CC 152Cu. In. H4 GAS DOHC Naturally Aspirated 2017 Legacy 2.5i Sport Sedan 4-Door 2.5L 2498CC 152Cu. In. H4 GAS DOHC Naturally Aspirated 2017 Outback 2.5i Limited Wagon 4-Door 2.5L 2498CC 152Cu. In. H4 GAS DOHC Naturally Aspirated 2017 Outback 2.5i Premium Wagon 4-Door 2.5L 2498CC 152Cu. In. H4 GAS DOHC Naturally Aspirated 2017 Outback 2.5i Touring Wagon 4-Door 2.5L 2498CC 152Cu. In. H4 GAS DOHC Naturally Aspirated 2017 Outback 2.5i Wagon 4-Door 2.5L 2498CC 152Cu. In. H4 GAS DOHC Naturally Aspirated 2016 Legacy 2.5i Limited Sedan 4-Door 2.5L 2498CC 152Cu. In. H4 GAS DOHC Naturally Aspirated 2016 Legacy 2.5i Premium Sedan 4-Door 2.5L 2498CC 152Cu. In. H4 GAS DOHC Naturally Aspirated 2016 Legacy 2.5i Sedan 4-Door 2.5L 2498CC 152Cu. In. H4 GAS DOHC Naturally Aspirated 2016 Outback 2.5i Limited Wagon 4-Door 2.5L 2498CC 152Cu. In. H4 GAS DOHC Naturally Aspirated 2016 Outback 2.5i Premium Wagon 4-Door 2.5L 2498CC 152Cu. In. H4 GAS DOHC Naturally Aspirated 2016 Outback 2.5i Touring Wagon 4-Door 2.5L 2498CC 152Cu. In. H4 GAS DOHC Naturally Aspirated 2016 Outback 2.5i Wagon 4-Door 2.5L 2498CC 152Cu. In. H4 GAS DOHC Naturally Aspirated 2015 Legacy 2.5i Limited Sedan 4-Door 2.5L 2498CC 152Cu. In. H4 GAS DOHC Naturally Aspirated 2015 Legacy 2.5i Premium Sedan 4-Door 2.5L 2498CC 152Cu. In. H4 GAS DOHC Naturally Aspirated 2015 Legacy 2.5i Sedan 4-Door 2.5L 2498CC 152Cu. In. H4 GAS DOHC Naturally Aspirated 2015 Legacy 2.5i Touring Sedan 4-Door 2.5L 2498CC 152Cu. In. H4 GAS DOHC Naturally Aspirated 2015 Legacy Base Sedan 4-Door 2.5L 2498CC 152Cu. In. H4 GAS DOHC Naturally Aspirated2015 Legacy Limited Sedan 4-Door 2.5L 2498CC 152Cu. In. H4 GAS DOHC Naturally Aspirated 2015 Legacy Premium Sedan 4-Door 2.5L 2498CC 152Cu. In. H4 GAS DOHC Naturally Aspirated 2015 Outback 2.5i Limited Wagon 4-Door 2.5L 2498CC 152Cu. In. H4 GAS DOHC Naturally Aspirated 2015 Outback 2.5i Premium Wagon 4-Door 2.5L 2498CC 152Cu. In. H4 GAS DOHC Naturally Aspirated 2015 Outback 2.5i Touring Wagon 4-Door 2.5L 2498CC 152Cu. In. H4 GAS DOHC Naturally Aspirated 2015 Outback 2.5i Wagon 4-Door 2.5L 2498CC 152Cu. In. H4 GAS DOHC Naturally Aspirated 2015 Outback Limited Wagon 4-Door 2.5L 2498CC 152Cu. In. H4 GAS DOHC Naturally Aspirated 2015 Outback Premium Wagon 4-Door 2.5L 2498CC 152Cu. In. H4 GAS DOHC Naturally Aspirated |
Replaces OEM Part Numbers
42021-AL02C • 42021AL02C • 2015-2019
Signs You Need a Replacement
If your equipment is showing any of these symptoms, the fuel pump may be the cause:
- Engine cranks but won’t start — The pump may have lost prime or stopped delivering fuel. Check for fuel at the filter outlet before replacing the pump.
- Stalling under load — A weak pump can’t maintain pressure at high demand. The engine runs fine at idle but dies when you put it to work.
- Fuel pressure warning (if equipped) — Modern equipment monitors fuel rail pressure. A low-pressure warning often means the pump is failing.
- Loud whining from fuel system — A failing pump makes a high-pitched whine that gets louder as it warms up. Normal pump noise is a low hum.
- Air in fuel lines — If you see bubbles in the transparent fuel line or the primer bulb won’t stay firm, the pump may be drawing air through a worn seal.
- Excessive return flow — Too much fuel returning to the tank instead of reaching the injectors indicates internal pump wear.
Before You Replace the Pump
Before replacing the pump, check the fuel filter and fuel lines for restrictions. A blocked filter causes the same symptoms as a failing pump on equipment. When installing the new pump, fill it with clean fuel before connecting the lines — this reduces priming time and prevents dry-run damage. After installation, bleed the system fully and check for leaks at all connection points. Replace the fuel filter at the same time as the pump to protect the new unit from debris.
Frequently Asked Questions
Can I cross-reference 42021-AL02C with 42021AL02C?
Yes. Both 42021-AL02C and 42021AL02C are interchangeable OEM numbers for this part. They refer to the same component with the same specifications, just different part number revisions.
My engine code is AL02C with a 2.5L displacement – is this the right part?
Yes. Engine code AL02C with 2.5L displacement is within the supported range for this part. The full list of compatible engine codes includes: AL02C. Confirm your engine code on the data plate attached to the engine block.
My vehicle is a 2015 model – is it covered?
The compatibility range for this part includes 2015-2019. The 2015 model year falls within this range, but verify the engine code and body type match. Mid-year production changes sometimes mean two vehicles from the same model year use different parts.
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