Jay J3 Posterior Lateral Wheelchair Back - Adjustable Thoracic Support
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Jay J3 Posterior Lateral Wheelchair Back
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You will earn up to 432 points on this order
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Pay low as $19.77/month with Pay Pal's pay later service
Please call us for product customization and lateral facial support option
Current Price: $431.43
Original Price: $729.00
Savings: $297.57 OFF
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Hygiene Product
Product Features and Policies

Authorized Dealer

Made in USA

Hygiene Product
Jay J3 Posterior Lateral Back
J3 Posterior Lateral Backrest includes 3" of lateral thoracic support, providing posterior and lateral thoracic stability to clients with a variety of postures and functional needs. Each back is lightweight and adjustable with several hardware options for easy installation.
The Jay J3 Posterior Lateral Back Support is the most versatile wheelchair back, offering many support height levels. The J3 wheelchair back product line includes a wide range of width, height, and contour depth back shells designed to fit the client's back.
Four hardware options: The J3 offers four hardware options to accommodate a span of priorities and wheelchair configurations.
- SH - Easy to install, 2-point, quick-release hardware that allows for numerous attaching positions.
- TH - 2-point, quick-release hardware optimized for tilt-in-space wheelchairs, with a lengthened attachment pin and 500 lb. weight capacity.
- FS 4-Point - Quick-release hardware that withstands greater force by distributing across four mounting locations.
Features of JAY J3 Posterior and Lateral Wheelchair Back

Four support height levels: It provides support for clients with wide ranges of torso heights and levels of injury
- Mid Thoracic - 12", 13.5", 15"
- Upper Thoracic - 16.5", 18", 19.5"
- Shoulder height - 21", 22.5, 24"
- The back offers a new contour shape that provides posterior 3" lateral thoracic support and stability to clients with different postures and functional needs.

J3 Form Back Support:
- When an off-the-shelf back cannot assist an individual's orthopedic asymmetries, j3 form back support can be used.
- It makes it easy to create a personalized solution to suit the client's specific needs.
Jay J3 Back
Jay J3 Posterior Back (PA) | Jay J3 contour back offers 2.2" of lateral thoracic support. |
Jay J3 Posterior Lateral Back (PL) | The posterior lateral back provides 3" of lateral thoracic support. |
Jay J3 Posterior Deep Back (PD) | The 6" deep laterals in the posterior deep back, provide midline postural support and positioning while the curved, 7" tall built-in contoured laterals provide excellent thoracic support. |
Jay J3 Posterior Deep Contour Back (PDC) | J3 Posterior Deep Contour Back has 6" lateral which provides support to the pelvic area. |
Jay Your WAY Modifications

JAY Your Way
The seat is an important factor in overall comfort, and JAY Seating has made it a priority to provide seating designed to meet specific needs. With JAY Your Way
- JAY products are easily modified to meet comfort needs and also your individual styles.
- From clinical improvements to colored covers, JAY Your Way modifies cushions and backs specifically to address unique individual needs and preferences.
- JAY Your Way products can fulfill these specific requirements and more. If,
- You need additional support
- A cushion to fit perfectly on your chair
- Want to show your past military service with a Military Service Patch
Note: Jay Your WAY Modifications are available upon special request, please call or email us for specific details.
Specifications
Specifications
Jay J3 Posterior Lateral Back | ||
Product weight | 1.4 lbs. and up (without hardware) | |
Width range | 12" to 20" | |
Height | Mid thoracic | 12", 13.5", 15" |
Upper thoracic | 16.5", 18", 19.5" | |
Shoulder height | 21", 22.5", 24" | |
Hardware angle adjustability | 20° | |
Hardware width adjustability | +2" | |
Frame tubing compatibility | 3/4" to 1 1/8" | |
Lateral contour support | 3" | |
Foam insert | 1½" soft foam | |
Weight capacity | 12" to 20" widths: | 300 lbs. |
Resources
Warranty
Warranty
- The manufacturer guarantees an option of repair or replace cushion base without original charge if there occurs a defect in material and workmanship within 24 months from the original date of purchase.
- This warranty does not apply to punctures, tears or burns, nor to the cushion’s removable cover.
- Except for the expressed warranty made herein, all other warranties, including implied warranties of merchantability and warranties of fitness for a particular purpose are excluded.
Return
Return
- Configured and Custom Made Wheelchairs, Seating Systems (including modified Jay products), Built-4-Me products are not eligible for return regardless of order date.
- All returns must have an RGA number (returned goods authorization number) unauthorized returns will not be accepted.
- The RGA number and location must appear on the outside of the package in a clearly visible manner.
- RGA’s are valid for 60 days and will not be accepted if the item(s) is not returned within 60 days after a RGA is issued.
- The product must be saleable (Unused and Not a Discontinued Item) and must be properly packaged (Preferred Original Packaging).
- All approved returns must be shipped at customer’s expense using their preferred carrier. Product or parts returns which are not pre-paid will not be accepted.
- If your return is due to a Manufacturing error and if all items on the invoice are being returned, then Manufacturer will refund any freight and/or handling fee on the original order paid.
- If your return is not due to any manufacturing defect then the original shipping cost and credit card/paypal processing fee will be deducted from the total refund
- All seating components must be returned inside original sealed plastic bags.
- No returns accepted for Hygiene & Bath products due to health concerns
- For applicable restocking fees, please consult the chart below:
- Return Authorization’s issued on orders shipped within 90 days of original ship date and returned within 60 days of receiving the Return Authorization are subject to a 25% restocking fee.
- Return Authorization issued on orders shipped within 180 days of original ship date and returned within 60 days of receiving the Return Authorization are subject to a 50% restocking fee.
No Returns Will be accepted after 180 Days elapse. |
Please call us for specific details.
FAQs
FAQs
Q. What kind of support does the Jay J3
Posterior Lateral Back give?
A.
It combines posterior and 3" lateral support to stabilize the upper
body, making it easier for users to sit upright and stay comfortable in
their wheelchair.
Q. What support height options are available?
A.
Four levels are offered: mid thoracic (12", 13.5", 15"), upper thoracic (16.5", 18", 19.5"), and shoulder height (21", 22.5", 24") to match a wide range of torso heights.
Q. How much does the Jay J3 Posterior Lateral
Back weigh?
A.
It starts at just 1.4 lbs. (without hardware), making it lightweight yet supportive.
Q. What is the weight capacity for this
wheelchair back?
A.
It supports up to 300 lbs. across widths from 12" to 20".
Q. What hardware options are available?
A.
Four mounting choices are offered:
- SH – easy 2-point quick-release hardware
- TH – tilt-in-space optimized with 500 lb. capacity
- FS – 4-point quick-release for greater force resistance
- Other adjustable options for varied chair frames
Q. How adjustable is the back once installed?
A.
The hardware allows 20° of angle adjustment and up to +2" width flexibility, ensuring a secure and tailored fit.
Q. What is the maximum tube diameter that a J3
Back will fit to?
A.
Yes, it is compatible with tubing sizes from ¾" to 1 1/8", covering most common wheelchair designs.
Q. What makes it different from other J3 back
models?
A.
Unlike the J3 Posterior Back with 2.2" laterals, the Posterior Lateral model offers deeper 3" lateral support for enhanced trunk stability, while remaining lighter than deep-contour options.
Q. How far can the brackets be outrigged on a J3
Back?
A.
The brackets on a J3 back can be outrigged up 2" greater than the size of the backrest (e.g. 16" back can fit an 18" chair).
Q. What size Allen key is required to adjust a
J3 Back?
A.
A 4mm Allen key is needed for the J3 Back adjustments.
Q. Is it possible to fit shoulder harnesses and
chest harnesses to the J3 Back?
A.
Yes, the J3 Back has holes in the shell for shoulder and chest harnesses.
Q. Are custom modifications available?
A.
Yes, through Jay Your Way, users can request special sizing, added support, or even personalized touches. Contact our customer service team for detailed information.
Description
Jay J3 Posterior Lateral Back
J3 Posterior Lateral Backrest includes 3" of lateral thoracic support, providing posterior and lateral thoracic stability to clients with a variety of postures and functional needs. Each back is lightweight and adjustable with several hardware options for easy installation.
The Jay J3 Posterior Lateral Back Support is the most versatile wheelchair back, offering many support height levels. The J3 wheelchair back product line includes a wide range of width, height, and contour depth back shells designed to fit the client's back.
Four hardware options: The J3 offers four hardware options to accommodate a span of priorities and wheelchair configurations.
- SH - Easy to install, 2-point, quick-release hardware that allows for numerous attaching positions.
- TH - 2-point, quick-release hardware optimized for tilt-in-space wheelchairs, with a lengthened attachment pin and 500 lb. weight capacity.
- FS 4-Point - Quick-release hardware that withstands greater force by distributing across four mounting locations.
Features of JAY J3 Posterior and Lateral Wheelchair Back

Four support height levels: It provides support for clients with wide ranges of torso heights and levels of injury
- Mid Thoracic - 12", 13.5", 15"
- Upper Thoracic - 16.5", 18", 19.5"
- Shoulder height - 21", 22.5, 24"
- The back offers a new contour shape that provides posterior 3" lateral thoracic support and stability to clients with different postures and functional needs.

J3 Form Back Support:
- When an off-the-shelf back cannot assist an individual's orthopedic asymmetries, j3 form back support can be used.
- It makes it easy to create a personalized solution to suit the client's specific needs.
Jay J3 Back
Jay J3 Posterior Back (PA) | Jay J3 contour back offers 2.2" of lateral thoracic support. |
Jay J3 Posterior Lateral Back (PL) | The posterior lateral back provides 3" of lateral thoracic support. |
Jay J3 Posterior Deep Back (PD) | The 6" deep laterals in the posterior deep back, provide midline postural support and positioning while the curved, 7" tall built-in contoured laterals provide excellent thoracic support. |
Jay J3 Posterior Deep Contour Back (PDC) | J3 Posterior Deep Contour Back has 6" lateral which provides support to the pelvic area. |
Jay Your WAY Modifications

JAY Your Way
The seat is an important factor in overall comfort, and JAY Seating has made it a priority to provide seating designed to meet specific needs. With JAY Your Way
- JAY products are easily modified to meet comfort needs and also your individual styles.
- From clinical improvements to colored covers, JAY Your Way modifies cushions and backs specifically to address unique individual needs and preferences.
- JAY Your Way products can fulfill these specific requirements and more. If,
- You need additional support
- A cushion to fit perfectly on your chair
- Want to show your past military service with a Military Service Patch
Note: Jay Your WAY Modifications are available upon special request, please call or email us for specific details.
Details
Sizing/specifications
Jay J3 Posterior Lateral Back | ||
Product weight | 1.4 lbs. and up (without hardware) | |
Width range | 12" to 20" | |
Height | Mid thoracic | 12", 13.5", 15" |
Upper thoracic | 16.5", 18", 19.5" | |
Shoulder height | 21", 22.5", 24" | |
Hardware angle adjustability | 20° | |
Hardware width adjustability | +2" | |
Frame tubing compatibility | 3/4" to 1 1/8" | |
Lateral contour support | 3" | |
Foam insert | 1½" soft foam | |
Weight capacity | 12" to 20" widths: | 300 lbs. |
Resources
Details
Warranty
- The manufacturer guarantees an option of repair or replace cushion base without original charge if there occurs a defect in material and workmanship within 24 months from the original date of purchase.
- This warranty does not apply to punctures, tears or burns, nor to the cushion’s removable cover.
- Except for the expressed warranty made herein, all other warranties, including implied warranties of merchantability and warranties of fitness for a particular purpose are excluded.
Details
Return policy
- Configured and Custom Made Wheelchairs, Seating Systems (including modified Jay products), Built-4-Me products are not eligible for return regardless of order date.
- All returns must have an RGA number (returned goods authorization number) unauthorized returns will not be accepted.
- The RGA number and location must appear on the outside of the package in a clearly visible manner.
- RGA’s are valid for 60 days and will not be accepted if the item(s) is not returned within 60 days after a RGA is issued.
- The product must be saleable (Unused and Not a Discontinued Item) and must be properly packaged (Preferred Original Packaging).
- All approved returns must be shipped at customer’s expense using their preferred carrier. Product or parts returns which are not pre-paid will not be accepted.
- If your return is due to a Manufacturing error and if all items on the invoice are being returned, then Manufacturer will refund any freight and/or handling fee on the original order paid.
- If your return is not due to any manufacturing defect then the original shipping cost and credit card/paypal processing fee will be deducted from the total refund
- All seating components must be returned inside original sealed plastic bags.
- No returns accepted for Hygiene & Bath products due to health concerns
- For applicable restocking fees, please consult the chart below:
- Return Authorization’s issued on orders shipped within 90 days of original ship date and returned within 60 days of receiving the Return Authorization are subject to a 25% restocking fee.
- Return Authorization issued on orders shipped within 180 days of original ship date and returned within 60 days of receiving the Return Authorization are subject to a 50% restocking fee.
No Returns Will be accepted after 180 Days elapse. |
Please call us for specific details.
Details
Faqs
Q. What kind of support does the Jay J3
Posterior Lateral Back give?
A.
It combines posterior and 3" lateral support to stabilize the upper
body, making it easier for users to sit upright and stay comfortable in
their wheelchair.
Q. What support height options are available?
A.
Four levels are offered: mid thoracic (12", 13.5", 15"), upper thoracic (16.5", 18", 19.5"), and shoulder height (21", 22.5", 24") to match a wide range of torso heights.
Q. How much does the Jay J3 Posterior Lateral
Back weigh?
A.
It starts at just 1.4 lbs. (without hardware), making it lightweight yet supportive.
Q. What is the weight capacity for this
wheelchair back?
A.
It supports up to 300 lbs. across widths from 12" to 20".
Q. What hardware options are available?
A.
Four mounting choices are offered:
- SH – easy 2-point quick-release hardware
- TH – tilt-in-space optimized with 500 lb. capacity
- FS – 4-point quick-release for greater force resistance
- Other adjustable options for varied chair frames
Q. How adjustable is the back once installed?
A.
The hardware allows 20° of angle adjustment and up to +2" width flexibility, ensuring a secure and tailored fit.
Q. What is the maximum tube diameter that a J3
Back will fit to?
A.
Yes, it is compatible with tubing sizes from ¾" to 1 1/8", covering most common wheelchair designs.
Q. What makes it different from other J3 back
models?
A.
Unlike the J3 Posterior Back with 2.2" laterals, the Posterior Lateral model offers deeper 3" lateral support for enhanced trunk stability, while remaining lighter than deep-contour options.
Q. How far can the brackets be outrigged on a J3
Back?
A.
The brackets on a J3 back can be outrigged up 2" greater than the size of the backrest (e.g. 16" back can fit an 18" chair).
Q. What size Allen key is required to adjust a
J3 Back?
A.
A 4mm Allen key is needed for the J3 Back adjustments.
Q. Is it possible to fit shoulder harnesses and
chest harnesses to the J3 Back?
A.
Yes, the J3 Back has holes in the shell for shoulder and chest harnesses.
Q. Are custom modifications available?
A.
Yes, through Jay Your Way, users can request special sizing, added support, or even personalized touches. Contact our customer service team for detailed information.
Customize and Buy
Price:$431.43
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Jay J3 Posterior Lateral Back
Price information$431.43$729