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Home 2025 GMC Sierra 1500 SLE 5.3L V8 - Gas 12598832

GM Genuine 12598832 LS Valley Cover Kit – Non‑AFM Gen IV - GM (12598832)

Genuine OEM GM Genuine 12598832 LS Valley Cover Kit – Non‑AFM Gen IV Fits

GM Genuine 12598832 LS Valley Cover Kit – Non‑AFM Gen IV - GM (12598832)

GM Genuine 12598832 LS Valley Cover Kit – Non‑AFM Gen IV - GM (12598832)

Genuine OEM GM Genuine 12598832 LS Valley Cover Kit – Non‑AFM Gen IV Fits

  • MSRP: $241.42
  • Discount: $85.92 (35.6% off)
  • Sale Price: $155.50
OR
Manufacturer Warranty Minimum of 12 Months
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Details

  • Brand:

    Buick, GMC, Cadillac, Hummer, Saturn, Oldsmobile, Pontiac, Chevrolet Parts

  • SKU:

    12598832

  • Description:

    Upgrade your Gen IV LS build with the GM Genuine 12598832 LS Valley Cover Kit—a direct-fit replacement designed for durability and precision. Crafted from OEM-grade cast aluminum with a natural finish, this kit includes the valley cover, gasket, and all necessary bolts for easy installation. Specifically engineered for LS2, LS3, LS7, and 6.0L/6.2L V8 applications without Active Fuel Management (AFM), it’s ideal for performance engines or AFM-deletion builds. Backed by GM's factory warranty, this valley cover restores factory integrity with hassle-free fitment and lasting reliability.  

    Fitment Guide

    Engine Compatibility:
    4.8L, 5.3L, 6.0L, and 6.2L Gen IV LS (LS2/LS3/LS7) V8 engines

    Specifically for Non‑AFM (no Active Fuel Management, no DOD) setups  

    Vehicle Models (selected):
    Applicable across popular GM platforms when equipped with compatible LS Gen IV engines—including:

    Chevrolet Silverado/Sierra 1500/2500/3500

    Tahoe, Suburban, Avalanche

    Express/Savana vans

    Cadillac Escalade, Escalade ESV/EXT

    GMC Yukon/Yukon XL/Savana Cargo/Passenger

    Hummer H2/H3 (with Gen IV LS engine swaps)  

    Vehicle Fitment (Year – Model)

    Cadillac Escalade / Escalade ESV / EXT
    • 2007–2009: 6.2 L V8

    Chevrolet Avalanche
    • 2007–2009: (1/2‑Ton)

    Chevrolet Colorado
    • 2009–2012: 5.3 L V8

    Chevrolet Express (Cargo/Passenger Van)
    • 2008–2020: 4.8 L / 5.3 L / 6.0 L

    Chevrolet Silverado (1500/2500/3500)
    • 2007–2019: 4.8 L / 6.0 L / 6.2 L

    Chevrolet Suburban
    • 2007–2014 & 2016–2019: 6.0 L

    Chevrolet Tahoe
    • 2007–2009: 4.8 L

    Chevrolet Trailblazer
    • 2007–2009: 6.0 L

    GMC Canyon
    • 2009–2012: 5.3 L

    GMC Savana (Cargo/Passenger Van)
    • 2008–2020: 4.8 L / 5.3 L / 6.0 L

    GMC Sierra (same as Silverado)
    • 2007–2019: 4.8 L / 6.0 L / 6.2 L

    GMC Yukon
    • Included with Sierra range, similar model years

    Hummer H2
    • 2007–2020 (LS-swapped or factory 6.0 L equipped)

    Material
    Cast aluminum with natural finish  
    Includes Valley cover, gasket, bolts
    Weight Approx. 3 lb 
    Warranty Minimum 12 months OEM-backed
  • Condition: New
Warning WARNING: California Proposition 65

Vehicle Fitment

No application/vehicle fitment information available for this product

GM Parts Club

GMPartsClub.com is a leading source for genuine OEM GM Genuine 12598832 LS Valley Cover Kit – Non‑AFM Gen IV parts, including part number #12598832. We offer everyday low prices, fast shipping, and hassle-free returns on all Chevrolet, GMC, Buick, and Cadillac parts. With a massive four-story inventory in our Dallas warehouse, most in-stock orders ship the same day.

For guaranteed fitment, please enter your VIN at checkout. While many orders ship the same day, please allow 24 to 48 business hours for processing.

GM

GM Genuine 12598832 LS Valley Cover Kit – Non‑AFM Gen IV parts are backed by a Genuine GM Parts Warranty for trusted quality and performance.  We offer only genuine GM OEM parts and accessories for Chevrolet, GMC, Buick, and Cadillac. All parts are designed for a factory fit and function.

Remember that Left (LH) = driver side & Right (RH) = passenger side. Directions are from the driver’s seat perspective.  This online catalog is for reference only. Trim, color, options, and included items may not be accurately shown. Use your VIN at checkout to confirm fitment.