{"product_id":"bbb-industries-42129-alternator","title":"BBB Industries 42129 Alternator","description":"\u003ch2\u003eOverview\u003c\/h2\u003e\u003cp\u003eThis BBB Industries reman alternator, part number 42129, is built for charging-system replacement on select Cadillac CT6 applications. It delivers 220 amps and uses an internal regulator, air cooling, and a decoupler pulley for stable belt operation.\u003c\/p\u003e\u003cp\u003eCompatible With 2016-2020 Cadillac CT6 charging-system applications, this reman alternator is a direct-fit electrical replacement for vehicles using a 12-volt, clockwise-rotation setup with a serpentine belt drive. The 42129 part number is also useful when matching the correct OE-style replacement for the same application.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e220-amp output for higher electrical demand.\u003c\/li\u003e\n\u003cli\u003eRemanufactured alternator from BBB Industries.\u003c\/li\u003e\n\u003cli\u003eInternal voltage regulator for integrated control.\u003c\/li\u003e\n\u003cli\u003eDecoupler pulley with six-groove serpentine belt design.\u003c\/li\u003e\n\u003cli\u003eAir-cooled construction with internal fan.\u003c\/li\u003e\n\u003cli\u003eNegative polarity and clockwise rotation.\u003c\/li\u003e\n\u003cli\u003eOE manufacturer listed as Korean Delco.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Description\u003c\/h2\u003e\u003cp\u003eBBB Industries 42129 is a reman alternator engineered around the original charging-system layout used in select Cadillac CT6 models. The unit features a 12-volt internal regulator, 220-amp output, and a decoupled pulley to help maintain belt stability under changing engine speeds. The six-groove serpentine pulley, air cooling, and internal fan support consistent charging performance in demanding electrical systems. If you are replacing a worn alternator on a Cadillac CT6, 42129 provides the specifications needed to match the application.\u003c\/p\u003e\u003cp\u003eThis part cross-references Korean Delco numbers 104211-0360 and 104211-0361 for the same application.\u003c\/p\u003e\u003ch2\u003eWhat It Helps Solve\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eLow charging output from a failing alternator.\u003c\/li\u003e\n\u003cli\u003eBattery warning lights caused by charging-system faults.\u003c\/li\u003e\n\u003cli\u003eVoltage instability from worn internal components.\u003c\/li\u003e\n\u003cli\u003eBelt noise or irregular pulley behavior related to alternator wear.\u003c\/li\u003e\n\u003cli\u003eElectrical load issues in vehicles with higher amperage demand.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eVerify pulley style, plug clock position, amperage rating, and rotation direction before installation. Confirm the vehicle uses a serpentine belt drive and the correct electrical connector layout for the 42129 alternator. Match the replacement to the original charging-system configuration on the Cadillac CT6 to avoid fitment or charging mismatches.\u003c\/p\u003e\u003ch2\u003eQuality Assurance\u003c\/h2\u003e\u003cp\u003eBBB Industries remanufactured electrical components are built to meet application-specific replacement requirements. Part number 42129 is specified for 2016-2020 Cadillac CT6 fitment and should be checked against the original unit before installation.\u003c\/p\u003e","brand":"BBB Industries","offers":[{"title":"Default Title","offer_id":53506974744757,"sku":"BGRT-42129","price":393.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/VI_42129_Fro.jpg?v=1791787240","url":"https:\/\/www.partcatalog.com\/products\/bbb-industries-42129-alternator","provider":"PartCatalog","version":"1.0","type":"link"}