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Air Lift LoadLifter 5000 Ultimate Rear Air Spring Kit w/ Internal Jounce Bumper

Fits 2011-2019 6.6L Duramax V8 (LML) · 6.6L Duramax V8 (L5P)

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gain
no published figure
price
$663.95
at SD Truck Springs
install
2/5 difficulty · No-drill install; one reviewer called it a 2-3 hour job, another reported a full day due to hardware fit issues
Buy at SD Truck Springs→
also at DesertRat

where to buy · 2 retailers tracked

  • SD Truck Springsbest pricechecked Jul 26$663.95view
  • DesertRatchecked Jul 26$732.99view

Rear air springs (bags) that install alongside the factory leaf springs to add up to 5,000 lbs of load-leveling support for towing/hauling, with an internal jounce bumper for stability, and no-drill installation.

why this one — Specifically the "Ultimate" trim of Air Lifts LoadLifter 5000 line (adds the internal jounce bumper over the base LoadLifter 5000), sourced with a real 2011-2019 2500HD/3500HD 2WD/4WD fitment confirmation rather than assumed from the base product line.

pairs well with
Nitto Ridge Grappler, LT285/70R17 Load Range E

Gain shown is a no published number, not a guarantee. Price is a list price and can lag the retailer; confirm at checkout. See our affiliate disclosure.