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Alternator Compatible With Volkswagen Atlas Cross Sport

21846A2
VOLKSWAGEN OEM PART NUMBERS:
• Volkswagen: 03H903026A / 03H-903-026-A / 03H 903 026 A
• Volkswagen: 03H903026AX / 03H-903-026-AX / 03H 903 026 AX

VALEO PART NUMBERS:
• Valeo: 439783
• Valeo Remanufactured: 200217
• Valeo Remanufactured: 440415

SPECIFICATIONS:
• Type: Alternator
• Voltage: 12V
• Rated Voltage: 14V
• Amperage: 180 Amp
• Rotation: Clockwise
• Regulator: Internal
• Fan: Internal
• Pulley: Six Groove Serpentine
• Pulley Type: Overrunning Clutch
• Pulley Diameter: 51mm
• Terminal: B Plus M8
• Mounting: Four Point
• Ground: Negative
• Condition: New Aftermarket

VOLKSWAGEN APPLICATIONS:
• Volkswagen Atlas (2021-2023) — 3.6L VR6 3598cc CDVC
• Volkswagen Atlas Cross Sport (2021-2023) — 3.6L VR6 3598cc CDVC

ENGINE:
• 3.6L VR6 naturally aspirated
• 3598cc 220 cubic inch
• Engine code CDVC
• Front wheel drive and 4Motion take the same alternator

THE SUFFIX:
• 03H903026A is the new Volkswagen part
• 03H903026AX is the same part on core exchange
• The X marks the exchange unit and nothing else
• Both numbers describe this alternator

WHAT THIS UNIT IS:
• Engine: 3.6L VR6 3598cc CDVC naturally aspirated
• Output: 12V 180 Amp clockwise six groove clutch pulley
• Case number: 03H903026A or 03H903026AX
• Model years: 2021 2022 and 2023
• Drivetrain: front wheel drive and 4Motion both take this unit
• The VR6 Atlas was built with two alternator outputs — read the case

PRODUCT NOTICE:
As a parts distributor we mostly sell aftermarket parts (any OEM parts would be noted as such). Aftermarket parts are not sourced from the original vehicle or equipment manufacturer, but are designed to function the same as - if not better than - the original. All parts sold are new.

WARNING - This product may expose you to chemicals such as Lead, Carbon Black, Silica, Crystalline which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov

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Description

ALTERNATOR 12V 180 Amp CLOCKWISE — VOLKSWAGEN ATLAS 3.6L VR6 APPLICATIONS:

CHECK THREE THINGS FIRST:
• The engine must be the 3.6L VR6 — Fits
• The model year must be 2021 2022 or 2023 — Fits
• The alternator must be the 180 amp unit — Fits
• The amperage is stamped on the case

VOLKSWAGEN ATLAS:
• Volkswagen Atlas (2021) — 3.6L VR6 3598cc
• Volkswagen Atlas (2022) — 3.6L VR6 3598cc CDVC
• Volkswagen Atlas (2023) — 3.6L VR6 3598cc CDVC
• Volkswagen Atlas 4Motion (2021-2023) — 3.6L VR6
• Volkswagen Atlas Front Wheel Drive (2021-2023) — 3.6L VR6

VOLKSWAGEN ATLAS CROSS SPORT:
• Volkswagen Atlas Cross Sport (2021) — 3.6L VR6 3598cc CDVC
• Volkswagen Atlas Cross Sport (2022) — 3.6L VR6 3598cc CDVC
• Volkswagen Atlas Cross Sport (2023) — 3.6L VR6 3598cc CDVC
• Volkswagen Atlas Cross Sport 4Motion (2021-2023) — 3.6L VR6
• Volkswagen Atlas Cross Sport Front Wheel Drive (2021-2023) — 3.6L VR6

WHY THE YEAR MATTERS:
• The Atlas VR6 was sold from the 2018 model year
• Volkswagen fitted a 150 amp Bosch alternator through the 2020 cars
• The 180 amp Valeo alternator arrived with the 2021 model year
• Both alternators sit on the same 3.6L VR6 engine
• The engine alone does not decide which one a car has
• Volkswagen dropped the VR6 after the 2023 Atlas

ENGINE:
• 3.6L VR6 naturally aspirated
• 3598cc 220 cubic inch
• Engine code CDVC
• Narrow angle six cylinder
• The only six cylinder offered in these two vehicles

THE 2.0 TURBO IS A DIFFERENT ALTERNATOR:
• Some catalogues file the four cylinder unit under Atlas with no engine
• Count the cylinders before you order

PULLEY AND MOUNTING:
• Six groove serpentine overrunning clutch pulley
• Pulley outer diameter 51mm
• Four point mounting
• Terminal B Plus M8
• Clockwise rotation viewed from the pulley

CROSS REFERENCE:
• Volkswagen: 03H903026A / 03H-903-026-A / 03H 903 026 A
• Volkswagen: 03H903026AX / 03H-903-026-AX / 03H 903 026 AX
• Valeo: 439783
• Valeo Remanufactured: 200217 / 440415
• The AX suffix marks the Volkswagen core exchange unit

TRIM AND OPTION:
• Volkswagen Atlas S SE SEL and SEL Premium 3.6L VR6 (2021-2023)
• Volkswagen Atlas SE with Technology 3.6L VR6 (2021-2023)
• Volkswagen Atlas Cross Sport S SE SEL and SEL Premium 3.6L (2021-2023)
• Volkswagen Atlas Cross Sport SE with Technology 3.6L (2021-2023)
• Three row and two row bodies — one alternator

HOW TO VERIFY FIT:
• Case number: 03H903026A or 03H903026AX
• Output: 180 Amp stamped on the case
• Engine: 3.6L VR6 3598cc CDVC with six cylinders
• Model years: 2021 2022 and 2023

WHAT THIS UNIT IS:
• Engine: 3.6L VR6 3598cc CDVC naturally aspirated
• Output: 12V 180 Amp clockwise six groove clutch pulley
• Case number: 03H903026A or 03H903026AX
• Model years: 2021 2022 and 2023
• Drivetrain: front wheel drive and 4Motion both take this unit
• The VR6 Atlas was built with two alternator outputs — read the case

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