Product Overview
This is a direct replacement Denso-style 12V 150A alternator, cross-referenced as Lester 11981 & BBB Industries 42170, matching original Denso OEM part 104211-9180 as well as GM OE numbers 84122173 and 84331735. Designed for commercial light delivery vans, it comes with a 6-groove 59mm OD clutch decoupler pulley and CW clockwise rotation to fully replicate factory charging system specifications.
Product Parameters
| Property | Value |
| Brand | DENSO |
| Voltage (V) | 12 |
| Amperage (A) | 150 |
| Rotation | CW |
| Pulley Type | Clutch |
| Pulley Grooves | 6 |
| Pulley Diameter (mm) | 59 |
Product Applications
Compatible with 2017–2022 Chevrolet Express Vans and GMC Savana Vans fitted with the 2.8L (171) L4 diesel engine. It fits all light commercial cargo van variants of these two models within the 2017 to 2022 production range.
Product Advantages
High 150A Output Solves Fleet Power Shortage
Handles heavy onboard loads like refrigeration units, auxiliary lights and air conditioning without battery drain or low voltage alerts during long commercial runs.
Decoupler Clutch Pulley Reduces Wear & Vibration
Absorbs engine crankshaft vibration to stop belt slip, cracking and premature belt replacement, cutting fleet maintenance downtime.
Plug-and-Play OEM Exact Fit
Identical mounting dimensions, rotation and pulley specs eliminate modification work, avoiding fitment errors and dashboard error codes common with generic aftermarket alternators.
Durable Cooling System for All-Day Heavy Use
Combined internal regulator and integrated cooling fan prevent overheating failures on delivery vans operating nonstop.
Cost-Effective OEM Alternative
Matches genuine Denso/GM performance at a much lower price, with readily available stock to avoid long dealer backorders for commercial fleets.
Product Features
Rated 12V / 150A high output
CW (clockwise) rotation, 11-clock mounting configuration
6-groove 59mm outer diameter clutch decoupler pulley
Internal IR voltage regulator + integrated IF cooling fan
Exact match for Denso OEM #104211-9180, GM OE 84122173 / 84331735
Cross references: Lester 11981, BBB 42170, Dixie 10429 / A-80819, Remy 22093
Why Choose ATL Motor?
ATL Motor supplies aftermarket alternators and starter motors for global parts customers. We support customers with model identification, reference number checking, application matching, and stable replacement parts supply.
For distributors and repair networks, accurate product matching is critical. ATL Motor helps buyers verify the key details, including voltage, amperage, pulley type, pulley grooves, rotation direction, and vehicle application before order confirmation.
Contact ATL Motor
Contact ATL Motor with your required part number, application, or sample details. We can help you confirm the correct alternator model for your market and customer needs.
FAQs
Q1. Which reference numbers does this alternator match?
A: It can be cross-referenced with Lester 11776, PIC 290-6337, 104211-3301, 104211-3303, and Toyota 27060-0T240.
Q2. What are the main technical specifications?
A: The key specifications are 12V voltage, 125A amperage, CW rotation, clutch pulley, 6 pulley grooves, and 55mm pulley diameter.
Q3. Which vehicle applications are listed for this model?
A: It is commonly listed for selected Toyota Corolla 1.8L applications from 2014 to 2019. Please verify the original part number and alternator configuration before ordering.
Q4. Can this alternator be supplied for wholesale or distributor orders?
A: Yes. This model is suitable for aftermarket distributors, importers, repair shop suppliers, and catalog-based parts wholesalers.
Q5.How about your warranty?
A:Our warranty is one year.
