Description
Chevy Suburban 3500 Gas Tank for Sale, Rare 1-Ton Heavy-Duty Vintage Variant
The Chevy Suburban 3500 was a rare low-production 1-ton heavy-duty variant that existed primarily 1973-1999 (round-body C/K era and GMT400 generation). DISCONTINUED for 2000+ Suburbans – modern Suburbans only come in 1500 (and 2500 from 1992-2013).
Engines common to Suburban 3500: 5.7L (350ci) small block V8 (most common), 7.4L (454ci) big block V8 (HD towing), 6.5L diesel V8 (predecessor to Duramax), 6.2L diesel V8 (earlier). Multiple fuel tank capacities (30-42 gallon typical), some with dual tank setups.
Cross-reference GMC Suburban 3500 sister vehicle (pre-2000, GMC eventually rebranded Yukon XL) and Chevy/GMC C/K 3500 pickup gas tanks of same era (shared chassis/fuel system architecture). Vintage specialty sourcing 14-30 business days. We inspect for leaks, corrosion, mounting integrity.
Suburban 3500 Generation Coverage
Round-Body Era 1973-1991
Configuration: C/K platform shared with pickup trucks
Production: Some 1-ton 3500 variants across multiple decades
Engines: 350 small block, 454 big block, 6.2 diesel, etc.
Applications: Government, commercial, specialty configurations
GMT400 Era 1992-1999
Configuration: GMT400 platform shared with C/K pickups
Production: Low-production C/K 3500 Suburban with HD chassis
Engines: 5.7L Vortec 350, 7.4L Vortec 454, 6.5L diesel
Most common Suburban 3500 era in used market
Cross-Reference Sister Vehicles and Chassis Family
GMC Suburban 3500: Pre-2000 GMC badge-engineered with Chevy
GMC Yukon XL: Post-2000 rename of GMC Suburban (but no 3500)
Chevy/GMC C/K 3500 Pickup: Same chassis era, gas tank cross-reference applies
1-ton HD applications: Various GM HD vehicles same era
Discontinuation Context
Modern Suburban variant history:
1973-1999: 1500, 2500, and 3500 variants available
2000-2013: 1500 and 2500 only (3500 discontinued)
2014-present: 1500 only (2500 also discontinued 2013)
Modern Suburban: 1500 half-ton only, focuses on personal luxury
Vehicle Compatibility
Vintage Suburban 3500 Era and Cross-Reference:
| Chevy Suburban 3500 1973-1991 | Round-body C/K era |
|---|---|
| Chevy Suburban 3500 1992-1999 | GMT400 era (most common) |
| Cross-Reference GMC Suburban 3500 | Pre-2000 sister vehicle |
| Cross-Reference Chevy C/K 3500 Pickup 1973-1999 | Same chassis fuel architecture |
| Cross-Reference GMC C/K 3500 Pickup 1973-1999 | Same chassis fuel architecture |
| NOT Compatible Suburban 2000+ | Suburban 3500 discontinued |
| NOT Compatible Suburban 1500 1973+ | Different tank size/configuration |
| NOT Compatible Suburban 2500 1992-2013 | Different HD tank specs |
| NOT Compatible GMC Yukon XL 2000+ | 1500 only, no 3500 equivalent |
| Multiple Capacities 30-42 Gallon | Specify at order |
| Single or Dual Tank Configurations | Specify at order |
Condition and Inspection
No major damage verified dents not compromising capacity
No leaks confirmed critical for fuel system safety
No significant internal corrosion inspected via fuel sender opening
No external rust especially salt-belt era vehicles
Mounting strap surfaces intact tank hangs from straps
Fuel sender mounting hole integrity no stripping or damage
Vent connections functional
Filler neck connection intact
Suburban 3500 generation verified round-body or GMT400
Configuration verified single or dual tank
Capacity verified
Donor vehicle disclosed variant, year, engine, capacity, mileage
Cleaned of debris
Packaged in crate for large tank shipping
For Chevy Suburban 3500 gas tank (rare 1-ton variant)
Two-generation Suburban 3500 coverage (round-body and GMT400)
Discontinuation context properly explained
Cross-reference GMC Suburban 3500 sister (pre-2000)
Cross-reference C/K 3500 pickup donors (same era)
GMC Yukon XL rename history documented (2000+ no 3500)
Multiple fuel capacity options (30-42 gallon)
Single and dual tank configurations supported
Engine compatibility (350/454/6.5 diesel/6.2 diesel)
No leaks verified
No major damage
Mounting strap surfaces intact
Internal corrosion inspected
Authentic GM OEM
Vintage Chevy/GMC HD specialist support
Specialty vintage sourcing capability
Crate packaging for fuel tank shipping
15 day replacement warranty
Cornelius Holbrook-Worthington –
Replacing the gas tank on my 1997 Chevy Suburban 3500 with the 7.4L big block (the rare HD configuration). Vaz confirmed the GMT400 generation and 7.4L engine specifically and sourced a tested tank from a 1996 GMC C/K 3500 pickup donor (cross-reference within same chassis era since the C/K 3500 pickup shared fuel architecture with Suburban 3500). No leaks verified, no significant corrosion despite the age. The cross-reference flexibility (Suburban 3500, GMC sister, C/K 3500 pickup) significantly
Tatiana Drobyshchenko –
Bought gas tank for my 1985 Chevy Suburban 3500 with 350 small block (round-body era). Vaz emphasized the variant identification since the 1500/2500/3500 distinctions are critical for these older trucks. Sourced from a 1986 GMC Suburban 3500 donor (pre-2000 sister vehicle, before GMC rebranded as Yukon XL). One star off because the tank arrived with some surface rust that wasn’t fully disclosed – cleaned up but required more prep than expected before installation. The discontinuation history (35