OEM PART NUMBERS: • GM Current: 13563315 — also the ACDelco number
• GM Superseded: 13509877 • 13529433 • 13532887 • 13539728
• Mitsubishi Long Form: A003TV2581ZC • A003TV2581
• Mitsubishi Short Form: A3TV2581ZC • A3TV2581
• BBB Industries: 42359
• MPA and Dixie: 11818
• AS-PL: A5541S
• OE Decoupler Pulley: GM 55509697 / Litens 920114A
SPECIFICATIONS: • 12 Volt / 220 Amp / Clockwise (CW) Rotation
• Design: IR/IF — Internal Regulator and Internal Fan
• Pulley: SD5 — 5 Groove Serpentine Decoupler
• Pulley OD: 54mm • Bore: 17mm • Width: 45.3mm
• Pulley Type: Overrunning Alternator Decoupler
• Connector: Plug Type 365 with 3 Terminals
• Case: Aluminium • Mount: Front
• GM Option Code: KW5 220 Amp Generator
• Polarity: Negative Ground
• Condition: New Aftermarket
VEHICLE APPLICATIONS: • Chevrolet Silverado 1500 2.7L L3B (2019-2020)
• GMC Sierra 1500 and Sierra Denali 2.7L (2019-2020)
• Cadillac CT6 2.0L LSY turbo four cylinder (2019)
• Cadillac CT4 2.0L and 2.7L turbo (2020-2021)
• Cadillac CT5 2.0L LSY turbo (2020-2022)
PART NUMBER CHAIN: • 13509877 — early GM number
• 13529433 — the 2019 and 2020 truck and CT6 casting
• 13532887 — the 2021 truck and CT4 CT5 casting
• 13539728 — the interim GM service number
• 13563315 — the current GM and ACDelco number
• All of these are the 220 Amp Mitsubishi unit
ENGINE GATE — READ THIS FIRST: • Output required: 220 Amp — GM option code KW5
• Pulley required: 5 groove serpentine DECOUPLER
• Read the number off your own alternator before ordering
• 13529433 is the earlier casting on 2019 and 2020 trucks
• 13563315 is the number a GM dealer sells today
• Confirm a 54mm pulley with a 17mm bore
WHAT THIS UNIT IS: • Output: 12 Volt 220 Amp clockwise
• Pulley: 5 groove serpentine decoupler at 54mm
• Design: internal regulator with an internal fan
• Connector: plug type 365 with 3 terminals
• Engines: GM 2.0L LSY and 2.7L L3B turbo
PRODUCT NOTICE:
As a parts distributor we mostly sell aftermarket parts (any OEM parts would be noted as such). Aftermarket parts are not sourced from the original vehicle or equipment manufacturer, but are designed to function the same as - if not better than - the original. All parts sold are new.
WARNING - This product may expose you to chemicals such as Lead, Carbon Black, Silica, Crystalline which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov
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