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Rear Suspension

Quadra Bag Rear Suspension System - (X101)
$1,595.00
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Systems available in black as shown or in zinc plating Features:

2 piece construction for easy bolt in installation in about 4-6 hrs.

Outboard air line connections to air bags for easier connections

Heavy gauge steel construction

Larger, more weight carrying air bags

Safe & convenient ability to travel to a repair shop in the case of an airbag blowout

Lower air pressure requirements

More travel up and down for height adjustment

Back rear tire skidding is minimized by 80-90%

T-Skirts can still be used by utilizing a special mount

"With this kit, your coach will have a full 6 wheel independent suspension!"-Jim Bounds

 

Quadra Bag Installation Instructions



 

 

Quadra Bag Diagram
(Optional) - Stainless Steel Lower T Skirt Bracket for Quadra Bag (pr) 79.95
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Dual Bag System (14-52)
$798.00
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Direct replacement for original bags

THIS IS NOT A QUAD BAG SYSTEM. DOES NOT WORK LIKE INDEPENDENT SUSPENSION PRICE IS FOR COMPLETE SYSTEM BOTH SIDES.FOR $394.75 FOR EACH SIDE.
Dual Bag System798.00   
Air Manifold w/Shut Off Valve & Shradder Valve$79.95   
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Chuck Aulgur Rear Anti-Skid Kit - (X115)
$2,395.00
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Prevents the back rear wheels from skidding which provides an extra margin of safety

Eliminates torque on the center bogie arms

Provides more effective braking on all four rear wheels

Prevents flat spots on your tires

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AIR BAGS
$99.85
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REPLACEMENT AIR BAGS FOR QUADRA BAG SYSTEM & DUAL BAG SYSTEM
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Aluminum Air Bag Cones - (X113)
$70.00
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Upgrade those plastic cones FOR BOTH SIDES
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Air Bag Isolator Kit - (X108)
$75.00
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Air Bag Isolator Kit - Locks out the airbag. Useful if you get a leak in your air lines. Give you the ability to bypass the compressor and height control valves and pressurize the air bag directly. Unlike needle valves, these valves will not leak at the stems!
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Rear Stabilizer Bars - (X120)
$559.00
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Greatly enhances your GMC's driving stability. Includes all the hardware shown and is easy to install. (does both axle)

Rear Stabilizer Bar Installation Drawing



 

Rear Stabilizer Bar Installation Instructions
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True Track - (X119)
$365.00
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True Track - One set of four

Half of set $190.00

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FIRESTONE AIR COMPRESSOR WRI-760-9287
$297.00
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HEAVY DUTY 100% DUTY CYCLE. 150 PSI MAX. UP TO 5 GALLON TANK. 1.18 CFM , 23 AMP FIRESTONE WRI-760-9287 SAME AS VIAIR 45040 (450 C)
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AIR COMPRESSOR ( DANA)
$198.00
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REBUILT AIR COMPRESSOR FOR 1973 TO 1977 GMC AIR SUSPENSION SYSTEM. CORE CHARGE $90.00 REFUNDABLE
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AIR COMPRESSOR REBUILD KIT
$79.95
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REBUILT KIT COMES COMPLETE WITH TOOL TO HOLD THE CRANK IN PLACE. INSTRUCTIONS ARE INCLUDED AS SHOWN. REFUNDABLE CORE CHARGE $60.00 SEND OLD PISTONS BACK ONLY.

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COMPRESSOR BELT
$6.90
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REPLACEMENT BELT FOR DANA AIR COMPRESSOR
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TUBING FOR SUSPENSION
$0.00
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Tubing for suspension.

Red- .60 a foot

Blue .60 a foot

Black .60 a foot

Purple .65 a foot

Yellow .65 a foot

Gray .60 a foot

 

Please enter how many feet you will need at checkout. Quanity 1 = 1 foot.

GRAY TUBING .60
PURPLE TUBING .65
YELLOW TUBING .65
RED TUBING .60
BLUE TUBING .60
BLACK TUBING .60
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All Brass Height Controller (X098)
$330.00
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All Brass Height Controller by JR Slaten.

Complete and ready to install. Fit for 73-75 Modules.

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Relief Valve (X099)
$29.90
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Suspension Air Pressure Relief Valve Adjustable.

(70-150PSI)

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Height Control Valve - (X102)
$91.95
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NEW Pneumatic Style Rear Airbag Control. Identical to Original
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Rotary Height Valve Rebuild Kit
$19.95
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LG Stainless Steel Air Tank - (X103)
$130.00
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Replace that rusty old tank with a shiny new stainless tank.
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Small Stainless Steel Air Tank - (X104)
$85.00
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For the air systems mounted inside
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Grease Fitting Covers (14-13)
$2.25
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Grease Fitting Covers These covers are an excellent way to keep your greasefittings clean so that dirt is not forced in along with the grease. It is not necessary to completely remove the cove when applying the grease.Covers are bright yellow for easy identification and location.
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Bogie Pin Greaser Kit - (X105)
$70.00
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Greasing the rear bushings in a GMC have always been problematical. This kit makes it a snap! Includes four greasers

Bogie Greaser Installation Instructions:

Clean out the grease channel as follows:

#1 - Remove existing grease fitting

#2 - Insert a plastic straw at least 8 inches into opening (McDonald's straws work great!)

#3 - Twist straw several times

#4 - Place finger on end of straw to create a vacuum and remove

#5 - Insert Bogie Greaser into opening and grease both Zerk fittings

#6 - Repeat process for the remaining three pins
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Compressor Pressure Switch (14-50)
$19.98
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Compressor Pressure Switch 35-150PSI    Adjustable

With Unloader Valve

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Compressor Pressure Switch (14-51)
$21.98
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Compressor Pressure Switch  35-150 PSI Adjustable

Without Unloader Valve

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Air Suspension Trap w/SS Check Valve, Air Filter, Fitting and Hose - (X107)
$69.95
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Air Suspension Trap w/SS Check Valve, Air Filter, Fitting and Hose - The check valve isolates the pump, and the filter helps keep the leveling valves clear of debris. This will capture any condensation that will blow out the outlet valve
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Air Check Valve - (X110)
$27.00
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Air Check Valve
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Rear Suspension Pin Set (both sides) - (X114)
$689.00
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Includes four pins, four thrust bushings and eight pivot bushings. Machining of pivot bushings after pressing into arms required.HEAT TREATED,HARDENED & GROUND
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Rear Wheel Bearing Set - (X116)
$54.90
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Includes seal. Does one wheel SAVE BUY SET FOR 4 WHEELS $199.80
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KYB Shock Absorbers - Lifetime Warranty - (X117)
$54.00
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KYB Shock Absorbers - Lifetime Warranty 

You can also find these under Front Suspension.

SET OF 6 $312.90
Select Front or RearFront   
Rear   
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Bilstein Shock Absorbers - (14-B46-0950)
$85.95
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Lifetime Warranty
Select Front or RearFront   
Rear   
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Adjustable Links for Height Control Valves - (X121)
$30.00
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Makes adjusting the rear suspension height a snap.

Adjust ride height with the turn of a screw.

Eliminates backlash and guesswork of adjusting the levers. One for each side.

Easy to install.

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Applied GMC - 47626 Kato Road Fremont, CA 94538
Phone: 800-752-7502 Fax: (510) 440-8998 Email: jimk@appliedairfilters.com