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56 Gallon Gas or Diesel Tank

15″ H x 24″ W x 39.5″ Lg

R1505609 Rear Fill, Left Hand (w/ 3 step clips)
May replace the following OEM part numbers:
 20904798
 19179772
 20904789
 15871580
$695.00
R1505611 Rear Fill, Left Hand (w/out step clips) $685.64
R1505639 Rear Fill, Left Hand (w/ 3 Step clips)
Fuel Neck Restriction for Unleaded Fuel Only
$720.95
R1505679 Rear Fill, Left Hand (w/ 3 Step Clips)
Fuel Neck Restriction for Unleaded Fuel Only
Fill Neck Guard
$806.83
R1505612 Rear Fill, Right Hand (w/ 3 Step Clips) $695.00
R1505614 Rear Fill, Right Hand (w/ 2 Step Clips) $694.75
R1505610 Rear Fill, Right Hand (w/out Step Clips) $685.64
R1505624 Rear Fill, Right Hand (w/ 2 Step Clips)
Fuel Neck Restriction for Unleaded Fuel Only
Fill Neck Guard
$795.83
R1505608 Center Fill, (w/ 2 Step Clips)
May replace the following OEM part numbers:
  20904792
  19179775
$694.75
R1505607 Center Fill, (w/out Step Clips $685.64
RGM01524 Bracket & Strap Kit (2 each) for Tank w/ no steps $265.36
RGM21524 Bracket & Strap Kit (2 each) for Tank Steps $265.36
RGMS1524T Strap ONLY for 1524 Tank w/ 2 T-Bolts $77.46

GMC / Chevy Fuel Tanks

You take good care of your GMC or Chevy truck. So when you notice your truck smells strongly of gasoline or diesel fuel , you know it’s time to replace your fuel tank. But what type of fuel tank should you invest in? 


When it comes to fuel tanks, steel is one of manufacturers’ top choices because it is impermeable, which means it helps limit harmful emissions. At SouthTowns Specialties, LLC, we build a wide range of steel GM fuel tanks for both Chevy and GMC trucks. 


Truck Model Tanks 


We make GM fuel tanks for many different medium- and heavy-duty truck models, including these: 








If you don’t see your truck model listed, please email us at rkramer@southtownsllc.com


Types of Steel GM Tanks 


You can turn to us for tanks of any size, from 30 gallons to 81 gallons. Most of our tanks come with step clips to firmly attach the step to your tank. We also offer both center step tanks and between-the-frame tanks for gas or diesel engines.  


No matter which tank features you’re looking for, we can help you find the right model. If you’re unsure which type of tank is best for your vehicle, contact us and ask one of our knowledgeable employees. 


Ordering from SouthTowns Specialties, LLC 


SouthTowns Specialities, LLC is your online source for any type of GMC fuel tank. When you buy through us, you’ll pay much less than you would through a major dealer. Our tanks are FMCSA approved and should last for many years. 


We’re happy to answer any of your questions about your specific vehicle. Scroll through the options below, then contact us at (716) 592-4993 to order.​

56 Gallon Center Step Gas or Diesel Tank

17″ H x 25.5″ W x 36″ LG

SST56018 Left Hand Mount $756.36
SST56019 Right Hand Mount $756.36
SST56017 Left Hand Mount- less top fitting $654.66
RHS01725.5 Bracket & Strap Kit (2 each) $209.50

GM Tank Steps

and Running Boards

GM-2300862 GM Bottom Running Board Step 37-1/4" Lg with Corsol Finish
 Replaces GM# 15012862
$201.48
GM-2300863 Tank Step (15 1/2") with Corsol Finish
 Replaces GM# 15012863
$100.85
GM-2300864 Bracket running board step (20") with Corsol Finish
 Replaces GM# 15012864
$149.25
GM-2300865 GM Top Tank Step 33" Lg with Corsol Finish
 Replaces GM# 15012865
$142.98

Steel Center Step Tanks

GMC gauge ring detail

35 Gallon Open Step Tank

15″ H x 25″ W x 31″ Lg

SST40137 Right Hand Mount w/ 6 Bolt Flange (LESS Top Step) CrossOver for Diesel $792.96
SST40138 Left Hand Mount w/ 6 Bolt Flange (LESS Top Step) CrossOver for Diesel $792.96
SST40147 Right Hand Mount w/ 6 Bolt Flange (LESS Top Step) Unleaded Fuel Only $792.96
SST40148 Left Hand Mount w/ 6 Bolt Flange (LESS Top Step) Unleaded Fuel Only $792.96
024403 2-3/8" x 53" O.A. Strap ONLY (each) $77.46
RHS41525 Bracket & Strap Kit (2 each) $209.50

30 Gallon Gas Or Diesel Tank

15″h x 24″w x 21.75″Lg

R1503016 Rear Fill, Right Hand (w/ 2 step clips & Sump)
LH Fuel Outlet
$484.62
R1503099 Rear Fill, Right Hand (w/ 2 Step Clips) & Sump
RH Fuel Outlet
$484.62
RGM01524 Bracket & Strap Kit (2 each) for Tank w/ no steps $265.36
RGM21524 Bracket & Strap Kit (2 each) for Tank w/ steps $265.36
RGMS1524T Strap ONLY for 1524 Tank w/ 2 T-Bolts $77.46

81 Gallon Gas or Diesel Tank

15″ H x 25″ W x 53″ Lg

R1508105 Center Fill, (w/out step clips) $747.50
RHS41525 Bracket & Strap Kit (2each) $209.50
Buyers Logo
STS Logo

Distributor for Buyer’s Products

Brigadier
GeneralW3500
W4500
W5500
Sierra 3500
Top Kick
C6500C7500


75 Gallon Center Step Gas or Diesel Tank

15″ H x 25″ W x 51″ Lg

SST75027 Center Fill $795.06
RHS41525 Bracket & Strap Kit (2 each) $209.50

"Between-the-Frame Tanks

Gas or Diesel

R1504307 STEEL 14" x 25" x 28.5" LG for 2005 Chevy K45 $688.22
R1506017 STEEL 15" x 25" x 38" LG - 50 Gal $922.21
R1403105 STEEL 14.75" x 21" x 24.5" LG - 30 Gal for GMC W5500 $554.20
R1703508 STEEL 17.25" x 20.25" x 24.5" LG - Isuzu - Replaces Dura-Craft 8973145600 $616.28
ALUM 15" x 25" x33.25 L - 52 Gal GMC Style Aluminum $1021.86
.
GMC - R1508105

40 Gallon Gas Or Diesel Tank

11″h x 24″w x 39.5″Lg

R1104009 Rear Fill, Left Hand (w/ 3 Step Clips) RH Draw $564.02
R1104011 Rear Fill, Left Hand (w/ 3 Step Clips) LH Draw $564.02
R1104008 Rear Fill, Right Hand (w/ 3 Step Clips) $564.02
R1104007 Center Fill, (w/ 2 Step Clips) Right Hand $556.74
R1104006 Rear Fill, Left Hand (w/out Step Clips) $542.18
RGM01124 Bracket & Strap Kit (2 each) for Tank w/ no steps $265.36
RGM21124 Bracket & Strap Kit (2 each) for Tank w/ steps $265.36
RGMS1124T Strap ONLY for 1124 Tank w/ 2 T-Bolts $77.46

50 Gallon Center Step Gas or Diesel Tank

19″ H x 26″ W x 31″ Lg

SST55035 Right Hand Mount (LESS Top Step) No Dome Guard $884.86
SST55040 Right Hand Mount with 6 Bolt Dome (LESS Top Step) With Dome Guard $884.86
SST55041 Left Hand Mount with 6 Bolt Dome (LESS Top Step) $884.86
RHS41926 Bracket & Strap Kit (2 each) $209.50
024909 Strap ONLY (each) $77.46

Optional features include visual or electrical sending unit, dashboard indicator switch, locking cap, fill neck strainer or anti-siphon baffle, ball check drain (w/ 3/8 key wrench), steps (both upper & lower)

GMC open step tank

​SouthTowns Specialties, LLC

Contact Us Today: 716-592-4993