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CMM Offroad air coupler cork fitted to female air coupler — available from Offroad Trading Company
CMM Offroad industrial coupler plug product information graphic — available from Offroad Trading Company
CMM Offroad air coupler cork installed beside Jeep interior trim — available from Offroad Trading Company
CMM Offroad machined metal pieces arranged on workbench — available from Offroad Trading Company
CMM Offroad black industrial air coupler cork — available from Offroad Trading Company
CMM Offroad silver industrial air coupler cork — available from Offroad Trading Company
CMM Offroad red industrial air coupler cork — available from Offroad Trading Company
CMM Offroad industrial air coupler cork finish options — available from Offroad Trading Company
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Coupler Cork – Industrial (ISO 6150 B / B-Style)

CMM Offroad
sku-49623161733335
Industrial
$19.97

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Don't Leave Your Air Coupler Wide Open.

Your onboard air system lives where dirt, mud, dust, sand and water are part of the territory. An exposed quick-connect coupler gives all of it somewhere to go.

The CMM Offroad Coupler Plug provides a simple, purpose-built way to protect an unused female air coupler until you're ready to connect your hose.

Precision CNC-machined in the USA, the Coupler Plug snaps directly into a compatible female quick-connect fitting just like the mating air fitting would. Once installed, it helps prevent contaminants from reaching the internal components of the coupler.

Check Your Fitment: Industrial (B-Style)

This Coupler Cork fits 1/4" Industrial, ISO 6150 Series B, Fed Spec A-A-59439 couplers, also known as B-Style.

Running an automotive coupler instead? Automotive 1/4" Tru-Flate (T-Style) couplers use a different plug profile and are not interchangeable with B-Style. Look for our Coupler Cork – Automotive (Tru-Flate / T-Style).

Choose Your Material

6061-T6 Aluminum
Our standard Coupler Plug provides an excellent combination of durability, corrosion resistance and lightweight performance.

7075-T6 Aluminum
For customers who want the premium option, our 7075 version provides substantially higher material strength while maintaining the same compact design.

Cerakote® Finished

Every CMM Coupler Plug receives a Cerakote finish for additional surface protection and the finished appearance you'd expect from CMM Offroad.

Available in:

  • Black Cerakote

  • USMC Red Cerakote

Designed for Onboard Air

Designed for compatible 1/4" quick-connect female air couplers commonly found on onboard-air systems using 3/8" air hose.

Ideal for couplers mounted on:

  • Bumpers

  • Underhood air systems

  • Compressor installations

  • Air tanks

  • Air manifolds

  • Exterior air connection points

  • Shop and service equipment

Retain It. Don't Lose It.

Each Coupler Plug includes a stainless steel split-ring retainer, providing a durable attachment point for tethering the plug near the coupler so it's there when you need it.

Product Details

  • CNC machined aluminum construction

  • Choice of 6061-T6 or 7075-T6 aluminum

  • Cerakote® protective finish

  • Black and USMC Red color options

  • Stainless steel split-ring retainer included

  • Fits 1/4" Industrial ISO 6150 Series B (B-Style) couplers

  • Helps block dirt, mud, sand, dust and moisture

  • Quick push-in installation and removal

  • Reusable

  • Compact, lightweight design

  • Designed and machined in the USA

Small Part. Important Job.

You've invested in your compressor, air lines, fittings and onboard-air system. Don't leave the connection point exposed.

Plug it. Protect it. Hit the trail.

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Returns Policy

Please read the policy below to familiarize yourself with how we operate.

Please verify the part number that you are ordering before you place your order. If a part is ordered incorrectly by the customer and then returned, the customer will be responsible for all shipping charges and will be subject to a 20% restocking fee. We cannot be held responsible for manufacturer misinformation. If we messed up the order, then of course, we will take care of it. An RGA number must be requested within 7 days of receipt of the product by the customer. Returns must be received within 30 days of the initial purchase. We do not accept returns after 30 days. If an RGA is requested after 7 days of receiving the product then only an in-store credit will be issued. We do not refund shipping costs.

    Order Cancellation: If you cancel an order you must call 678-888-3370 and receive a order cancellation number.  Do not email as emails may not be received.  If you do not have a order cancellation number then do not assume a order is canceled and you will be responsible for returning the product once it has shipped.  We appreciate your business and try to make your order as seamless as possible All orders are subject to a 5% cancellation fee to cover non-refundable payment processing costs. If you need to cancel an order, please contact us within 30 minutes of placing it. Orders cancelled after this window may be refunded minus the cancellation fee. By completing your purchase, you acknowledge and agree to this policy.
  • All returns require an RGA (Return Goods Authorization) number. Please email: info@offroadtrading.com, to obtain this number. Please allow 24-48 hours for a response during busy times.
  • The RGA number must be marked on a label outside of the returned box. Do not write on the retail packaging or it will void the return.
  • All returned goods must be sent freight prepaid by the customer.
  • A 20% restocking fee will be applied to all returned goods.
  • All returned merchandise will be inspected before credit is applied to the account.
  • All items that receive credit will need to be in NEW, UNUSED, and resellable condition including original packaging with all components. The product cannot be altered, damaged or missing pieces.
  • If you refuse deliveries from shipping carriers, this will result in penalty charges. The shipping return cost(s) will be deducted from your refund amount.
  • If the item is a warranty issue, please contact the manufacturer for warranty.
  • Warranty issues will not be refunded after 30 days. Warranties are handled through manufacturers.
  • Please understand that damage in shipping is the shippers fault not ours. We simply ship it to you. If you do receive a damaged package, we must follow the procedure indicated by the carrier. Please contact the carrier first prior to contacting Offroad Trading Co. If you do not have time to wait, we can process another order for you and refund after the shipping claim has been approved.
  • Any scratch and dent, surplus, overstock, garage sale, used products, and eBay auction merchandise will not be refunded. All merchandise is sold “AS IS” and all sales are final. A description of each item will be posted. The best description possible will be given.
  • No returns on custom or fabrication work including paint, custom design, modification and fabrication of parts
  • No returns are accepted on special orders, factory dropships, and body parts.
  • No returns on electrical or Audio (No Exceptions), Issues must be handled with manufacturer under warranty.
  • Locker and Gear returns must be received with full inspection showing no use, installation or wear. All parts and packaging must be in new unused and undamaged condition.
  • Tires or wheels once mounted are not accepted for returns. Only factory replacement if defective under the manufacturer's warranty with their approval can be provided.

Shipping

  • We guarantee a timely shipping process.
  • We reserve the right to adjust shipping prices before we ship any order. You will be contacted before we charge you any different than the price quoted during your order and be given the opportunity to cancel the order.
  • We currently Only ship within the continental United States (Alaska and Hawaii are not included). If you would like shipping to other areas of the world please email and we can get you a quote.
  • Orders cannot be shipped to PO boxes. We must have a physical address to ship merchandise to.
  • Express shipping is available for an additional charge. You must contact us at 678-888-3370 prior to placing an order.
  • All orders are shipped by ground delivery unless otherwise specified.
  • Offroad Trading Co. is not responsible for freight damages. Please inspect merchandise before signing for. All claims must be made with the shipping carrier. We will not refund payment due to freight damages.
  • Shipping charges on scratch and dent, surplus, overstock, used products, ebay store and auction products are different from drop shipping charges. Bumpers and large items require different shipping charges that what are listed below.
  • We reserve the right to adjust shipping prices before we ship any order. You will be contacted before we charge you any different than the price quoted during your order and be given the opportunity to cancel the order.
  • Order Cancellation:
  • If you cancel an order you must call 678-888-3370 and receive a order cancellation number. Do not email as emails may not be received. If you do not have a order cancellation number then do not assume a order is canceled and you will be responsible for returning the product once it has shipped. Orders placed after hours or on weekends may not be able to be canceled. In an effort to provided timely services many of our products are shipped immediately and once processed can not be stopped. We appreciate your business and try to make your order as seamless as possible

Customer Reviews

Why Choose Offroad Trading Company

At Offroad Trading Company, we are committed to providing high-quality products and ensuring customer satisfaction. It does not matter if it is a Jeep, Truck, Bronco or any other 4x4 vehicle, our extensive experience and deep understanding of the off-road industry enable us to offer products that meet the highest standards of quality and performance. Choosing Offroad Trading Company means choosing a partner who is as passionate about off-roading as you are.

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