Rear Air Suspension Inoperative – 2019-2020 Chevrolet Silverado 4500HD, 5500HD & 6500HD

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NHTSA ID Number: 10187391

Manufacturer Communication Number: 20NA030



This service bulletin provides a procedure to correct a customer concern of Rear Air Suspension Inoperative.


1 Affected Product





Parts Information

Causal Part Description Part Number Qty
X SPRING, RR AIR 19407642 2
N/A ABSORBER, RR SHK 19408176 2





1 Associated Document

Manufacturer Communications

Bulletin No.: 20-NA-030
Date: December, 2020

MC-10187391-9999.pdf 497.683KB

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DEDC 2PCS Rear Air Ride Suspension, Shocks Strut, Air Spring Replacement Parts for 2000-2014 CHEVY Suburban 1500 GM Cadillac Escalade Truck SUV with Z55 Autoride, 22187156, 25979393, 25979394 AS-2708
  • 【Air suspension】]also known as air springs or air compression suspension, is a suspension accessory that ensures a smooth ride.
  • 【Applicable Models】Air suspension for Fit for 2002-2011 Cadillac Escalade;Suburban,Tahoe; GMC Yukon. (This model excluded: Avalanche 1500---With Z55 Autoride). It can replace the original shock absorber package directly.
  • 【Excellent Quality】 Original factory replacement, high quality silicone, forged aluminum alloy. Bags lasted 80k miles and 8 years. air shocks for better fit to the original car
  • 【Reference OEM Number】 OEM electronic air shocks: 22187156 25979393 25979394. Fit For CHEVY GM Truck SUV with Z55 Autoride.Interchangeable part numbers:23487280 19300069 19300070 19300071 19300072
  • 【Package Included】 Come with a pair of CHEVY GM Truck SUV Air Suspensions Bags. If you have any questions about this product, please feel free to contact us.
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Dorman 949-099 Suspension Air Compressor Compatible with Select Cadillac / Chevrolet / GMC Models (OE FIX)
  • Upgraded replacement - this air compressor replaces and improves on the original part for certain Cadillac, Chevrolet and GMC vehicles
  • Enhanced technology - features advanced thermal protection software to prevent future burn out
  • More durable - addition of protective membrane prevents moisture intrusion
  • Complete repair - brackets, dryer, air filter boxes, sealed sound isolation shielding, wiring harness and connectors included
  • Ensure fit - to make sure this part fits your exact vehicle, input your make, model and trim level into the garage tool
Bestseller No. 3
TRQ Air Ride Suspension Compressor Pump with Dryer for GM Truck SUV
  • Direct Fit, OE Replacement Air Suspension Compressor
  • Vehicle Specific: Check fitment information in the listing for compatibility
  • Aftermarket Reference Number(s): 20015104,SHO00003
  • Additional specifications below
Bestseller No. 4
iiLentes Rear Bag Air Helper Spring Suspension Kit W217602071 3000-5000Lbs for 1969-1996 Ford for 1969-2002 Dodge GM Pickup for 1973-1987 Chevrolet GMC Trucks
  • Perfect Fitment: Our air suspension kit is designed to fit 1973-1987 Chevy/GMC Pick Up trucks C&R 10, 1500 (2WD only), 1969-2002 Dodge Pickup Trucks D&W 100, 150, 250, Ram 1500 (2WD, 4WD), Ram 2500, 3500 (2WD, 4WD), 1969-1996 **250 Under 8500 GVWR(4x2, 4x4), 1963-2010 **250 Over 8500 GVWR(4x2, 4x4), and 1969-2010 **350.
  • Heavy-Duty Load Capacity: Our air springs can handle up to 5000 pounds of load carrying, making it perfect for hauling heavy cargo or towing a trailer.
  • Easy Installation: Our air helper springs can be installed on most light trucks, RVs, and vans. The Ride-Rite and Sport-Rite Air Helper Springs are installed between the frame of the suspension, providing load support through the use of air pressure.
  • Safe and Reliable: We never recommend exceeding the manufacturer's Gross Vehicle Weight Rating (GVWR) for your safety. Our air suspension kit is designed to provide you with a safe and reliable ride.
  • Complete Kit: Our kit includes the item model number: ‎W21-760-2071, mounting hardware, and a 1" rear suspension lift kit, making it a complete package for your convenience.
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GMFK15A Front Suspension Enhancement System Compatible with 1999-2021 Silverado Sierra 1500 SES Rubber Suspension Helper Spring Kit for 99-21 GM 1500 2500 3500 Van/Truck/Suv Models
  • Fitment:This SES Suspension Upgrade fits the front suspension for Chevy Silverado 1500 & GMC Sierra 1500 pickup truck,for 1999-2021 GM 1500 2500 3500 Van/Truck/Suv Models;Direct Replacement for factory Bump Stops
  • This kit is rated at about 14,000 lbs capacity;Part Number:GMFK15A,Front Timbren Suspension Kit for the Silverado and Sierra
  • Our SES upgrades are designed to keep your vehicle level at all times. This will increase traction on the front tires, improve overall steering and keep your headlights pointing down on the road where they belong. If extra weight makes your vehicle top-heavy, you’re going to experience body roll and sway. There’s nothing more challenging than trying to keep your vehicle moving on a straight path when the load is unstable
  • Our SES upgrades offer you more stability and peace of mind by eliminating suspension sag and reducing body roll & sway. Too much weight can cause your vehicle to bottom out if you’re driving over roads that are bumpy and rough. All this road shock will compromise an otherwise comfortable ride.Improve your ride quality by installing Our SES upgrades, guaranteed to provide a softer, smoother ride… empty or loaded
  • Features:Rated for 8600lb ;Improve Handling;Cushion Road Shocks;Tow & Haul With Safety & Confidence;Eliminate Vehicle Squatting & Sagging
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X AUTOHAUX 1 Set Air Height Leveling Control Valve 90054007 for Chevrolet for Kenworth for Volvo Trucks Tractor Trailer RVs Bus Height Control Air Suspension Valve 1/8" Port
  • [Part Number of Air Height Leveling Control Valve] 90054007, 90554335, 90554902, 22040570. Please check your own truck model before purchase.
  • [Widely Application of Height Control Valve] Fit for Kenworth, for Volvo, for Chevrolet, for GM, for many trucks, trailers, tractors, RVs etcs.
  • [Function of Air Suspension Valve] It can control suspension height in commercial vehicles, by dynamically sensing the height change of the truck, properly complete the air change action to adjust the height of air spring.
  • [Features of Height Control Air Suspension Valve] Come with 1/8" NPT Suspension Ports(top exhaust port, middle air spring port, and bottom supply port) and 8" bent arm, adopt with durable metal material and reliable constructions, ensure longer service life, provide a smooth driving experience.
  • [Package] Include 1x Height Control Leveling Valve, 1x Fitting, 1x Tube, 1x Tube Fitting, 1x Locating Pin, Dump valve is not included. Please search online to get the professional installation video if in doubt.
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TORQUE Airbag Air Bag Suspension Kit for 2019-2024 Chevrolet Chevy Silverado 1500 and GMC Sierra 1500 Rear Helper Bag Spring Towing 5000 lbs (Replaces Firestone Ride Rite 2609) (TR2609)
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  • REPLACE - This air helper spring kit is direct OEM replacement to Firestone Ride Rite W21-760-2609 which is suitable for 2019 - 2024 model Chevrolet Silverado / GMC Sierra 1500 pickup trucks with 2-wheel drive and 4-wheel drive. It fits High Country and Denali models as well.
  • INSTALLMENT - Bolt-on installation with no frame drilling required. You can easily install the air bag kit yourself. The brackets in the kit are No-Drill required. Since the kit comes with all bolts and nuts needed for the installation, you can attach the frames with them. The kit also has an installation manual including all the instructions step by step.
  • QUALITY - It is designed to maximize the vehicle's safe load-carrying capacity, stability, ride quality and brake effectiveness. TORQUE air helper springs provide load support through the use of air pressure that can be adjusted for changing loads. They enhance the ride by reducing inter-leaf friction. It helps steering control and braking effectiveness. It softens contact between the axle and the frame to reduce bottoming out.
  • INCLUDE - 2 pcs of air bags, all brackets, installation manual, bolts and nuts you need for installation, inflation valves, elbow fittings, and tubing.
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Arnott - Air Suspension Compressor 2000-20 GMC SUV's & Trucks (GMT8xx/GMT9xx/GMT K2xx) SWB & LWB (P-3242)
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  • Heavy-duty motor provides a long life
  • Includes thermal overload protection
  • Electroplated finish to prevent corrosion
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57575 Air Suspension Kit, Fit for 2001-2010 Chevrolet Silverado 2500HD 3500 & GMC Sierra 2500HD 3500 Pickup, Replace 50236 Airbag helper Spring, LoadLifter 7500 XL Air Suspension Kit
  • GREATER LEVELING POWER: With up to 7,500 lbs. of load-leveling capacity* and huge 7-inch double-bellows air springs, 57575 Air Suspension Kit can level massive loads like they're nothing. Roll plates protect the air springs from possible abrasion and increase load capacity up to 10%. Eliminates squat, trailer sway, rough ride and bottoming out.
  • PERFECT MATCHING: Fits 2001-2010 Chevrolet Silverado 2500HD & 3500 pickups. Fits 2001-2010 GMC Sierra 2500HD & 3500 pickups. Fits many 3/4 ton and 1 ton pickups and vans. 57575 suspension kits are compatible with 5th-wheel and gooseneck hitches.
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  • RELIABLE PERFORMANCE: 24 hours air tightness test ≤ 0.02MP, durable and safe to use, maximizing the load-carrying capacity and stability. End caps made of ultra high-strength, corrosion-proof, nylon composite which is as strong as steel but weighs less and will not rust.
  • PACKAGE INCLUDES: 2 x Heavy duty Air springs, Mounting Brackets, All hardware needed for installation.
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