Suits all 3rd/4th/5th Gen 4Runners, FJ Cruiser, GX470, GX460 for 0-1.5″ of lift
Also Suits Toyota Land Cruiser Prado 90 and 95 Models RZJ90, VZJ90, KZJ90, KDJ90, RZJ95, VZJ95, KZJ95, KDJ95
Complete kit – 1 per vehicle
Inserts inside your rear coil springs to add additional load support
Manually inflate or deflate the air bags to add or remove support or height
Perfect for people who tow, or regularly load up fully and need additional height or support
Route the airlines to your rear bumper or a suitable place to easily add or remove air to the bags
Fitment Notes:Â NOTE: Custom modifications may be required for lifted applications to ensure air bags are properly supported. If using on a lifted application, do not follow Firestone bump stop/jounce cut instructions. You will need to determine where to cut based on your lift amount (not cutting off as much depending on lift height)
Firestone 4135 air spring helper kit, for many Toyota and Lexus SUV’s, designed for those who have varying rear loads where coils alone can’t suit all the ways the vehicle is used.
Kit Number: W237604135
Designed to work in temperatures between -40ËšF (-40ËšC) and 180ËšF (82ËšC)
Easily control air pressure in the air springs for varying loads and conditions
Spring performance can be altered as easily as inflating a tire
Made of durable, elastic polyurethane
Complete kit – 1 per vehicle
Inserts inside your rear coil springs to add additional load support
Manually inflate or deflate the air bags to add or remove support or height
Perfect for people who tow, or regularly load up fully and need additional height or support
Variable rate coils’ initial rate could pinch the air bags at full extension then compression
Route the airlines to your rear bumper or a suitable place to easily add or remove air to the bags
Fitment Notes:NOTE: Custom modifications may be required for lifted applications to ensure air bags are properly supported. If using on a lifted application, do not follow Firestone bump stop/jounce cut instructions. You will need to determine where to cut based on your lift amount.
Firestone 4135 Suits all 3rd/4th/5th Gen 4Runners, FJ Cruiser, GX470, GX460
FILL KIT: MANUAL
LOAD CAPACITY: 1000LBS
INSTALLATION: NO DRILL
IN-BED HITCH: NOT COMPATIBLE
MIN. AIR PRESSURE: 5 PSI
MAX AIR PRESSURE: 35 PSI
INSTALL TIME: 1 HOUR
LEXUS YEARS
GX470 2003-2009
GX460 2010-2023
TOYOTA YEARS
4 Runner 2WD, 4WD 1998-2024
FJ Cruiser 2WD, 4WD 2007-2014
1996 Toyota 4Runner Airbag Kit
1997 Toyota 4Runner Airbag Kit
1998 Toyota 4Runner Airbag Kit
1999 Toyota 4Runner Airbag Kit
2000 Toyota 4Runner Airbag Kit
2001 Toyota 4Runner Airbag Kit
2002 Toyota 4Runner Airbag Kit
2003 Toyota 4Runner Airbag Kit
2004 Toyota 4Runner Airbag Kit
2005 Toyota 4Runner Airbag Kit
2006 Toyota 4Runner Airbag Kit
2007 Toyota 4Runner Airbag Kit
2008 Toyota 4Runner Airbag Kit
2009 Toyota 4Runner Airbag Kit
2010 Toyota 4Runner Airbag Kit
2011 Toyota 4Runner Airbag Kit
2012 Toyota 4Runner Airbag Kit
2013 Toyota 4Runner Airbag Kit
2014 Toyota 4Runner Airbag Kit
2015 Toyota 4Runner Airbag Kit
2016 Toyota 4Runner Airbag Kit
2017 Toyota 4Runner Airbag Kit
2018 Toyota 4Runner Airbag Kit
2019 Toyota 4Runner Airbag Kit
2020 Toyota 4Runner Airbag Kit
2021 Toyota 4Runner Airbag Kit
2022 Toyota 4Runner Airbag Kit
2023 Toyota 4Runner Airbag Kit
2024 Toyota 4Runner Airbag Kit
2006 Toyota FJ Cruiser Airbag Kit
2007 Toyota FJ Cruiser Airbag Kit
2008 Toyota FJ Cruiser Airbag Kit
2009 Toyota FJ Cruiser Airbag Kit
2010 Toyota FJ Cruiser Airbag Kit
2011 Toyota FJ Cruiser Airbag Kit
2012 Toyota FJ Cruiser Airbag Kit
2013 Toyota FJ Cruiser Airbag Kit
2014 Toyota FJ Cruiser Airbag Kit
2015 Toyota FJ Cruiser Airbag Kit
2016 Toyota FJ Cruiser Airbag Kit
1996 Toyota Land Cruiser Prado 90 95
1997 Toyota Land Cruiser Prado 90 95
1998 Toyota Land Cruiser Prado 90 95
1999 Toyota Land Cruiser Prado 90 95
2000 Toyota Land Cruiser Prado 90 95
2001 Toyota Land Cruiser Prado 90 95
2002 Toyota Land Cruiser Prado 90 95
Individual Air Accessory Components Are Also Available, Including Compressors, Air Tanks, And Mounting Solutions, Providing A Wide Variety Of Air Control Assist Solutions
Adjust The Ride For Various Load And Road Conditions With A Switch, Remote Or Mobile App
Provides An Instant Air Source For The Air Helper Springs Or Accessories
Single Point Fill (Both Air Springs Fill To The Same Pressure)
Light Duty Compressor Specs (120 Pounds Per Square Inch Max Air Pressure, 9 Percent Duty Cycle, 0.32 CFM)
Limited 2 Year Warranty
Dash Panel Style:Â Controls Two Air Springs Simultaneously
Type:Â Heavy Duty
Maximum Pressure (PSI):Â 130 Pounds Per Square Inch
These suit 2007-2021 Toyota Tundra, 2005-2023 Toyota Tacoma with thick/heavy leaf packs (like L59-112-R) and 2019-2023 Ford Ranger USA Spec with thick/heavy leaf packs (like L19-133-R)
Made from the highest quality raw materials to give years of life under the harshest conditions
Over 60 years of leaf spring design and manufacturing
Includes 4 U-bolts, enough for 1 vehicle
Requires 2″ lift leaf springs to ensure proper fitment
These are a 30mm longer version of UB59-453-2K Ubolts
These are 210mm / 8.25″ in length
Photo for illustration purposes. These are square at the top
Andrew (verified owner) –
Good quality, really nice.
Bryan (verified owner) –
Would definitely buy from this site again.
Anthony (verified owner) –
Spoke with Mike, he got me headed in the right direction for what I need.
Robert (verified owner) –
Great description on the page, easy to understand what I was buying.
Christopher (verified owner) –
I received it really fast.