Bosch
Starter (New)

Bosch SR8661N Starter

Brand Bosch SR8661N
Voltage 12
Power Rating 1.5
Mounting Bolt Hole Quantity 3
Mounting Flange to End of Case 61.8
Mounting Flange to Pinion End at Rest 30.1
Case Grounding Grounded case
Nose Cone Material Aluminum
Nose Cone Type Closed nose
Starter Rotation Clockwise (right)
Mounting Hardware Included No
Mounting Shims Included No
Solenoid Attached Yes
Housing Material Aluminum
Re-Clockable Flange No
Tooth Quantity 12
Mounting Type Flange
Over-Crank Protection No
Designed for Automatic Start / Stop Operation Yes
Automotive Item Weight (lbs) 6.327267 lb
New Or Remanufactured New
Product Length 7.559055 in
Product line Starter (New)
Fits Buick, Cadillac, Chevrolet, and GMC · 79 vehicles

New starter. Built and tested for reliable performance.

Aluminum housing. Lightweight construction with a grounded case.

Integrated solenoid. Ready for a clean, straightforward installation.

Cross-references 12645298 for the same application. See all 1.

$238.17Free shipping
In stock · usually ships same day before 1pm CST
Step 1 — Confirm fitment
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Step 2 — Quantity
Order total $238.17
Free shipping to the continental U.S.
Free returns within 60 days if it doesn't fit when fitment is verified.

Bosch SR8661N Starter for GM Applications

The Bosch SR8661N is a new 12-volt starter built for dependable engine cranking in a wide range of GM vehicles. It is a direct-fit replacement for applications such as the Chevrolet Impala, Chevrolet Equinox, GMC Terrain, and Buick Enclave, with OE-style dimensions and a grounded-case design.

Bosch Premium Starters are engineered, built, and tested for consistent performance and reliability. The SR8661N starter is designed for automatic start/stop operation, making it a practical choice for modern drivetrains that demand frequent starts and stable electrical engagement.

Key Features

  • 12-volt starter with a 1.5 power rating
  • Clockwise (right) rotation
  • 12-tooth pinion gear
  • Solenoid attached for streamlined replacement
  • Grounded case construction
  • Aluminum housing and aluminum closed nose cone
  • Flange mount design with 3 mounting bolt holes
  • Built for automatic start/stop operation
  • New starter, not remanufactured
  • Bosch part number SR8661N

Detailed Description

The Bosch SR8661N starter is a new replacement unit for GM vehicles that require a clockwise-rotation, flange-mounted starter with a closed nose and integrated solenoid. Its aluminum housing helps keep weight down, while the grounded-case design and 12-tooth gear support reliable engagement during repeated starts. This starter measures 7.559055 inches in length and is built to match the fitment needs of many Chevrolet, Buick, Cadillac, and GMC models.

As part of the Bosch Starter (New) line, SR8661N reflects Bosch’s focus on OE-style engineering for electrical starting systems. It is a strong match for drivers searching for a starter for 2012-2020 Chevrolet Impala, a starter for 2010-2017 GMC Terrain, or a starter for 2010-2017 Chevrolet Equinox. This part cross-references 12645298 for the same application.

What This Starter Helps Address

  • Slow or weak engine cranking
  • No-start conditions caused by starter failure
  • Intermittent starter engagement
  • Grinding or clicking during start-up
  • Replacement needs on high-cycle start/stop vehicles

Installation Notes and Tips

Verify voltage, rotation, tooth count, and mounting style before installation. This starter uses a flange mount with 3 bolt holes, includes an attached solenoid, and does not include mounting hardware or shims. Confirm clearance at the nose cone and compare the unit’s dimensions to the original starter before bolting it in place.

Fitment includes 2012-2020 Chevrolet Impala, 2013-2019 Cadillac XTS, 2010-2017 Buick Enclave, 2010-2017 Chevrolet Equinox, 2012-2017 Chevrolet Traverse, 2017 GMC Acadia Limited, 2010-2017 GMC Terrain, 2010-2016 Buick LaCrosse, 2010-2016 Cadillac SRX, 2015-2016 Chevrolet Colorado, 2014-2016 Chevrolet Impala Limited, 2010-2016 GMC Acadia, 2015-2016 GMC Canyon, 2012 Chevrolet Captiva Sport, 2012 Chevrolet Malibu, 2010 Buick Allure, and 2006 Buick Rendezvous.

Quality Assurance

Bosch Premium Starters are designed, built, and tested to support dependable starting performance and long-term reliability. The SR8661N is a new starter assembly manufactured to Bosch’s electrical component standards for GM fitments.

This part fits 79 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelDrive TypeLitersCylindersFuel TypeNotes
2020ChevroletImpala3.6LV6FLEXStarter (New)
2019CadillacXTS3.6LV6Starter (New)
2019ChevroletImpala3.6LV6Starter (New)
2018CadillacXTS3.6LV6Starter (New)
2018ChevroletImpala3.6LV6Starter (New)
2017BuickEnclave3.6LV6Starter (New)
2017CadillacXTS3.6LV6Starter (New)
2017ChevroletEquinox3.6LV6Starter (New)
2017ChevroletImpala3.6LV6Starter (New)
2017ChevroletTraverse3.6LV6Starter (New)
2017GMCAcadia Limited3.6LV6Starter (New)
2017GMCTerrain3.6LV6Starter (New)
2016BuickEnclave3.6LV6Starter (New)
2016BuickLaCrosse3.6LV6Starter (New)
2016CadillacSRX3.6LV6Starter (New)
2016CadillacXTS3.6LV6Starter (New)
2016ChevroletColorado3.6LV6Starter (New)
2016ChevroletEquinox3.6LV6Starter (New)
2016ChevroletImpala3.6LV6Starter (New)
2016ChevroletImpala Limited3.6LV6Starter (New)
2016ChevroletTraverse3.6LV6Starter (New)
2016GMCAcadia3.6LV6Starter (New)
2016GMCCanyon3.6LV6Starter (New)
2016GMCTerrain3.6LV6Starter (New)
2015BuickEnclave3.6LV6Starter (New)
2015BuickLaCrosse3.6LV6Starter (New)
2015CadillacSRX3.6LV6Starter (New)
2015CadillacXTS3.6LV6Starter (New)
2015ChevroletColorado3.6LV6Starter (New)
2015ChevroletEquinox3.6LV6Starter (New)
2015ChevroletImpala3.6LV6Starter (New)
2015ChevroletImpala Limited3.6LV6Starter (New)
2015ChevroletTraverse3.6LV6Starter (New)
2015GMCAcadia3.6LV6Starter (New)
2015GMCCanyon3.6LV6Starter (New)
2015GMCTerrain3.6LV6Starter (New)
2014BuickEnclave3.6LV6Starter (New)
2014BuickLaCrosse3.6LV6Starter (New)
2014CadillacSRX3.6LV6Starter (New)
2014CadillacXTS3.6LV6Starter (New)
2014ChevroletEquinox3.6LV6Starter (New)
2014ChevroletImpala3.6LV6Starter (New)
2014ChevroletImpala Limited3.6LV6Starter (New)
2014ChevroletTraverse3.6LV6Starter (New)
2014GMCAcadia3.6LV6Starter (New)
2014GMCTerrain3.6LV6Starter (New)
2013BuickEnclave3.6LV6Starter (New)
2013BuickLaCrosse3.6LV6Starter (New)
2013CadillacSRX3.6LV6Starter (New)
2013CadillacXTS3.6LV6Starter (New)
2013ChevroletEquinox3.6LV6Starter (New)
2013ChevroletImpala3.6LV6Starter (New)
2013ChevroletTraverse3.6LV6Starter (New)
2013GMCAcadia3.6LV6Starter (New)
2013GMCTerrain3.6LV6Starter (New)
2012BuickEnclave3.6LV6Starter (New)
2012BuickLaCrosse3.6LV6Starter (New)
2012CadillacSRX3.6LV6Starter (New)
2012ChevroletCaptiva Sport3.0LV6Starter (New)
2012ChevroletEquinox3.0LV6Starter (New)
2012ChevroletImpala3.6LV6Starter (New)
2012ChevroletMalibu3.6LV6Starter (New)
2012ChevroletTraverse3.6LV6Starter (New)
2012GMCAcadia3.6LV6Starter (New)
2012GMCTerrain3.0LV6Starter (New)
2011BuickEnclave3.6LV6Starter (New)
2011BuickLaCrosse3.6LV6Starter (New)
2011CadillacSRX3.0LV6Starter (New)
2011ChevroletEquinox3.0LV6Starter (New)
2011GMCAcadiaFWD3.6LV6Starter (New)
2011GMCTerrain3.0LV6FLEXStarter (New)
2010BuickAllure3.0LV6Starter (New)
2010BuickEnclave3.6LV6Starter (New)
2010BuickLaCrosse3.0LV6Starter (New)
2010CadillacSRX3.0LV6Starter (New)
2010ChevroletEquinox3.0LV6Starter (New)
2010GMCAcadiaFWD3.6LV6Starter (New)
2010GMCTerrain3.0LV6Starter (New)
2006BuickRendezvous3.6LV6Starter (New)
Directly replaces or cross-references 1 part number
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
12645298