srosant 170A Alternator Replacement for 3.6L V6 GM SUVs — Chevrolet Traverse / GMC Acadia / Buick Enclave (2007–2017), CW 6-Groove

This direct-fit replacement alternator is engineered to work with a range of GM 3.6L V6 models—Chevrolet Traverse, GMC Acadia (including Limited), Buick Enclave and Saturn Outlook—from model years 2007 through 2017. It uses industry-standard mounting and electrical interfaces that match original equipment part numbers (including 20838975, 23105717 and 25815839), so installation and electrical integration are straightforward for professional mechanics and experienced DIYers.

Which vehicles and part numbers does this alternator fit?

This alternator covers multiple GM vehicles fitted with the 3.6L V6 engine. Cross-reference your VIN or existing part number to confirm fitment before ordering.

• Compatible models: 2009–2017 Chevrolet Traverse, 2007–2016 GMC Acadia (including Acadia Limited 2017), 2008–2017 Buick Enclave, 2007–2010 Saturn Outlook.
• Common replacement numbers matched: 20838975, 23105717, 23279588, 25815839 and related OEM codes.
• Also listed under TN and other supplier codes: 104210-6160, 104210-6310, 104210-6311, 1042106160.

What are the electrical and mechanical specifications?

The unit delivers stable output and shares the same physical characteristics as many factory alternators for these GM applications, ensuring belt drive and mounting compatibility.

• Output: 170 Amps at 12 Volts for high accessory loads and charging recovery.
• Rotation: Clockwise (CW) with a 6-groove pulley profile.
• Internal components: Integrated IR regulator and an internal fan (IF) design for cooling and voltage control.

How dependable is this replacement and what testing was performed?

srosant subjects every alternator to rigorous quality checks and simulated operation before it leaves the factory. These processes reduce the risk of premature failure and help ensure long-term reliability under normal driving conditions.

• Each alternator undergoes more than 1,000 simulated test cycles to verify performance.
• Professional inspection equipment checks electrical output, regulator response and bearing condition.
• Units are sold new and boxed with tested components to meet expectations for fit and function.

What warranty and post-purchase support are available?

srosant offers a one-year free replacement warranty to protect your purchase against defects. Before installation, confirm your vehicle model and existing part number to ensure the correct alternator arrives.

• One-year free replacement for eligible manufacturing defects.
• Customer support available for fitment questions and troubleshooting.
• Advice: verify part numbers on your old alternator or VIN cross-reference to avoid returns.

Who is this for? This alternator is intended for owners and repair shops working on GM mid-size crossovers and SUVs powered by the 3.6L V6 engine who need a cost-effective, OE-style replacement. It's a suitable choice for drivers experiencing charging issues, dimming lights, battery drainage, or for routine replacement during an engine service when the original unit shows wear. Confirm fitment with your vehicle's VIN or existing alternator stamping, and if you perform your own repairs, follow factory torque and safety procedures when installing the unit.