Skid Plates
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Suburban 20 Skid Plate for Sale | Used Chevrolet or GMC Suburban Under-Vehicle Skid Plate
Product Overview & Specifications
- In Stock for Suburban 3/4-Ton Heavy-Duty Use
- Free Shipping All 50 States, 5-10 Business Day Transit (heavy item)
- Suburban 20 1973-1991 3/4-Ton Pre-GMT400 Era
- C20 2WD or K20 4WD Configurations Both Covered
- Both Chevrolet and GMC Suburban Versions (same platform different badging)
- 3rd-4th Generation ‘Square Body’ Iconic Era 1973-1991
- GM Longest Continuous Nameplate 1935+ (90+ Years 14+ Generations)
- Naming Convention: Suburban 10 = 1/2-Ton (Batch 58 vaz532), 20 = 3/4-Ton (this), 30 = 1-Ton (Batch 56 vaz518)
- GMT400 1992+ Adopted 1500/2500/3500 (Batch 56 vaz517)
- Engines: 350 V8 famous GM small block 1955-2003
- 454 V8 Big Block 7.4L heavy towing (Batch 56 vaz518)
- 6.2L Detroit Diesel V8 optional (130-148 HP, 18-22 MPG with towing)
- 305 V8 lighter applications
- TH400 Heavy-Duty 3-Speed Automatic STANDARD (Batch 56 vaz517)
- TH350, 700R4 (late 1980s+), NV4500/SM465 manuals alternatives
- K20 4WD with NP205 Heavy-Duty Transfer Case (famous reliability)
- Dana 60 Solid Front Axle K20 (Batch 56 vaz518)
- Payload ~2, 000 lbs, Towing ~7,500-10,000 lbs heavy-duty
- Applications: Heavy family hauler with towing, work, government/military CUCV, off-road
- Skid Plate Function: Transfer case (primary K20), fuel tank, engine, transmission protection
- Heavy Steel 1/8 to 1/4 inch, welded/bolted brackets, drain holes
- Often multiple plates cover different areas
- Common Failures: Impact damage (doing its job), rust, missing hardware, cracked welds
- Plate Intact Verified, Mounting Functional, Donor Disclosed
- 100% Inspection Before Every Order Ships
- Good Salvage Donor Pool (19-Year Production + Chevy/GMC Cross-Compatibility)
- 15 Day Replacement Warranty
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