srosant Alternator 170A 12V Replacement for GM V6 3.6L SUVs (2007–2017) — Direct Fit, Internal Regulator

srosant's new 170A, 12V alternator replaces GM part numbers 20838975 / 23105717 / 25815839 and fits V6 3.6L models including Chevy Traverse, GMC Acadia, Saturn Outlook and Buick Enclave from 2007–2017.

This direct-replacement alternator is built for late-model GM V6 3.6L SUVs that need a reliable source of charge. Engineered to match factory electrical output and mounting points, it restores battery charging, supports accessory power and returns system voltage to specification. Each unit is fully tested through 1,000 simulated cycles and comes with a one-year free replacement warranty for added confidence.

Will this alternator fit my vehicle?

The srosant alternator is compatible with 3.6L V6 applications across several GM SUVs. Confirm your year, make and engine size, and cross-check the OEM numbers to ensure correct fitment.

• Vehicle fitment: 2007–2010 Saturn Outlook, 2007–2016 GMC Acadia (including Acadia Limited), 2009–2017 Chevrolet Traverse, 2008–2017 Buick Enclave.
• Common OEM/alternate part numbers: 20838975, 23105717, 25815839, GM20838975, 104210-6160, 1042106310, 1042106311.
• Always verify original part number and connector style before ordering.

What are the electrical and mechanical specifications?

This alternator reproduces the original equipment’s electrical output and mechanical interface so it installs and performs like the factory unit. Its design supports modern accessory loads and engine management systems.

• Amperage: 170 Amp continuous output to handle headlights, climate control and infotainment.
• Voltage: 12 Volt with integrated internal regulator (IR) for stable system voltage.
• Rotation: Clockwise (CW) with a 6-groove pulley to match serpentine belt routing.
• Fan type: Internal fan (IF) for cooling; condition: new unit, ready to install.

How reliable is this replacement and what testing does it undergo?

srosant subjects every alternator to extensive quality control to reduce failures and extend service life. Units leave the factory only after passing electrical and durability checks designed to mirror real-world conditions.

• Each alternator is inspected using professional diagnostic equipment before packaging.
• 1,000 simulation test cycles are performed to validate thermal and electrical stability.
• Backed by a one-year free replacement warranty to protect against early defects.

What should I know before installing this alternator?

Preparing correctly will speed installation and avoid mismatches. This is a direct-fit replacement but confirming connectors and mounting brackets on your vehicle prevents surprises.

• Compare the old alternator’s part number and connector pinout with listed replacements (e.g., 104210-6310, TN1042106311).
• Inspect belt condition and tensioner—replace if worn to ensure long alternator life.
• Follow vehicle-specific torque specs during installation and verify battery charge after fitting.

Who is this unit best for? Mechanics, DIY enthusiasts, and fleet managers who service 2007–2017 GM V6 3.6L SUVs will benefit from this ready-to-install alternator. It’s ideal when you need a dependable, tested replacement that mirrors OEM specs—whether you’re restoring a high-mileage Traverse, maintaining an Acadia, fixing an Outlook, or replacing the alternator in an Enclave. Confirm fitment by matching part numbers and vehicle year, then install knowing you have a tested 170A, 12V alternator with warranty support.