This black-finish driver's side accessory kit is built for LS/LT engines running without A/C, or using factory-mounted LS A/C, and bundles a 130-amp alternator with a power steering pump and matching pulleys sourced from OE suppliers.
Specifications:
- Accessory Drive Style: High-Mount
- Application: GM LS, GM Gen V LT
- Engine: GM Gen III/IV (LS)
- Finish: Black
- Material: Cast Aluminum
- Alternator: 130 Amps (included)
- A/C Compressor: Not Included
- Power Steering Pump, Pulley: Included
- Damper Style: Factory Standard, Middle or Long
- Pulley Style: Serpentine
- Product Type: Accessory Bracket
- Warning: California Proposition 65
- Warranty: Manufacturer's Limited 90 Day Warranty
- Part Number: 20-143BK
This bracket may require an additional installation kit (21-2 or 21-3, per the instruction sheet) and, for LT applications, the 21-5 LT installation kit before proceeding. For LS engine swaps, check the specific body-style engine mount kit for modification and fitment requirements. Kit contains: 197-301 alternator (130A, large case), 198-100 Corvette aluminum P/S pump, 197-400 alternator harness pigtail, 97-150 idler pulley, 97-152 P/S pump pulley, 20-135 LS accessory drive bracket kit (driver side), and 40R876 truck tensioner spacers.
FAQ
What does the 20-143BK kit include?
A 130-amp alternator, Corvette aluminum power steering pump, pulleys, harness pigtail, driver-side bracket, and tensioner spacers.
Does it include A/C provisions?
No — it's built for setups without A/C or using factory-mounted LS A/C.
Do I need extra parts to install it?
It may require installation kit 21-2 or 21-3, and LT engines need the 21-5 LT installation kit.
What engines is it for?
GM LS and Gen V LT engines.
