Universal Parts

Overview The Freightliner part 23-14392-015 is a straight push‑to‑connect (PTC) male connector designed to join 3/4" OD DOT/air tubing to a 1/2" MPT (male pipe thread) port. It’s intended for pneumatic and brake system service fittings where a quick, tool‑free push‑in connection to tubing is required while providing a standard 1/2" pipe thread for attachment to ports, adapters or hose fittings. Features Straight connector with push‑to‑connect tube end for fast tube insertion and release. 1/2" male pipe thread (MPT) on the opposing end for common plumbing/port connections. Designed for DOT/air tubing and vehicle pneumatic applications where 3/4" OD tube is used. Suitable for rapid service and repair — eliminates flaring or mechanical clamps on the tubing end. Verified Fitment This item is listed and sold as Freightliner part number 23-14392-015 with the description “Connector - Straight, 3/4 Push To Connect X 1/2 MPT.” It is marketed for use in Freightliner air system applications and by suppliers that list DOT / air‑brake style push‑to‑connect fittings in this size. Confirm compatibility with the specific vehicle model and port thread standard before installation. Specifications (verified where available) Function: Straight push‑to‑connect to male pipe thread adapter. Tube end: 3/4" OD push‑to‑connect (DOT/air tubing size). Thread end: 1/2" MPT (male pipe thread). Connection types: Push‑to‑connect (tube) × MPT (thread). Package Contents Standard single connector (quantity: 1). Packaging and included seals or thread tape are seller‑dependent — confirm with the seller if any additional components are required. Cross‑Reference Freightliner 23-14392-015 — verified description: Connector, Straight, 3/4" Push To Connect × 1/2" MPT. No additional OEM/interchange numbers could be confidently verified for this exact Freightliner part from the supplier documentation found; comparable aftermarket part numbers (for example Midland 681208) exist for a 3/4" push‑to‑connect × 1/2" MPT connector, but a direct published interchange to Freightliner 23-14392-015 was not conclusively shown in the sources reviewed. If you want confirmed aftermarket equivalents, provide permission to obtain cross‑reference confirmations from the manufacturer or suppliers. Note: This listing text is a product description draft based only on seller provided part number and supplier documentation. Do not use as a replacement for hands‑on verification. Confirm thread form, seal type and tube OD standards with the vehicle or system manual before installation.

Overview This is a genuine Freightliner straight connector, part number 23-14392-005, with a 3/8" push-to-connect (PTC) tube end and a 3/8" male pipe thread (MPT) end. It’s sold as an individual fitting for air and pneumatic plumbing on Freightliner/Daimler Trucks and compatible systems. Seller price: $12.99 (seller-supplied). Features Push-to-connect (PTC) tube end for fast, tool-free tube insertion and release. 3/8" MPT male pipe thread for standard threaded connections. Straight inline configuration for simple, compact routing. Genuine Freightliner OEM part (part number 23-14392-005). Verified fitment / Application Freightliner OEM fitting used in truck air/pneumatic hardware and service supply applications. This part is listed by Freightliner/Daimler Trucks part catalogs and aftermarket Freightliner parts distributors as connector CONN-STR, PTC, 3/8 PTC x 3/8 MPT (Freightliner 23-14392-005). Specifications (verified) Freightliner part number: 23-14392-005. Connection A: 3/8" push-to-connect (PTC) tube end. Connection B: 3/8" MPT (male pipe thread). End 2 outer diameter (reported): 9.52 mm. Hex size (reported): 0.75 in. Package contents Quantity: 1 x Freightliner 23-14392-005 straight connector (single fitting). Cross-reference (verified) Automann: 177.13B686C (listed as a cross-reference by parts distributors). SMC: KV2H11-36S / KVH11-36S (listed as equivalent push-to-connect style reference by parts distributors). If you require additional OEM or aftermarket interchange numbers for procurement, confirm and we will expand cross-references — no other cross-references could be independently verified for this exact part in the consulted sources. Notes This description uses seller-supplied pricing and verified distributor/OEM catalog data for the part number and physical connection details. Do not substitute part numbers: confirm fitment on your vehicle with the truck’s parts manual or dealership if unsure.

Overview This is a straight push-to-connect (PTC) to male pipe thread (MPT) air/ pneumatic connector sold under Freightliner part number 23-14392-002. One end is a 1/4" PTC (push-to-connect) for quick connection to 1/4" OD DOT/air brake tubing; the other end is a 3/8" MPT male pipe thread for threaded connections to compatible fittings or ports. Features Straight inline design for compact, low-profile connections. One 1/4" push-to-connect (PTC) end for fast, tool-free tubing installation. One 3/8" male pipe thread (MPT) end for secure threaded attachment. Marketed as an OEM Freightliner replacement fitting; commonly used in air/brake tubing and pneumatic service lines. Verified fitment This part is documented in Freightliner parts catalogs and multiple Freightliner parts distributors as part number 23-14392-002 (Connector - Straight, 1/4 PTC x 3/8 MPT). Available public listings identify it as a Freightliner OEM part number but do not list specific vehicle model applications or build years in the publicly accessible sources reviewed. If you need confirmation for a particular truck model or serial number, please provide that vehicle information and we can check fitment against exact OEM parts catalogs. Specifications End A: 1/4" PTC (push-to-connect) for 1/4" OD tubing. End B: 3/8" MPT (male pipe thread). Configuration: Straight inline connector. Intended use: pneumatic/air brake tubing and general compressed-air lines where DOT/SAE PTC tubing is used. Package contents 1 × Straight push-to-connect to MPT connector (1/4" PTC x 3/8" MPT) — Freightliner P/N 23-14392-002 Cross-reference No distinct OEM interchange or alternate part numbers could be independently verified for this exact Freightliner part number in the sources reviewed. Some distributors list adjacent Freightliner part variants (for other thread/tube size combinations), but no confirmed third-party or superseding part numbers were found for 23-14392-002. If you have an alternate part number to check, provide it and I will verify. Notes Do not assume thread sealant or tape is included — use an appropriate sealant for the MPT connection per your shop practice. If you require material, certification, or dimensional drawings (hex size, thread spec, length), provide that request and I will attempt to locate OEM documentation or dimensioned drawings if available.

Overview Straight push-to-connect (PTC) male pipe-thread connector designed to join 1/4" OD push-fit/PTC tubing to a 1/8" male pipe thread port. This compact brass-style push fitting is used on pneumatic and low-pressure air systems found on commercial trucks and equipment; the part number 23-14392-000 is listed as a Freightliner pipe fitting for this size combination. Features Push-to-connect (PTC) tube end for quick, tool-free insertion of 1/4" OD tubing 1/8" male pipe thread (MPT) connection for panel or port installation Durable brass construction reported in supplier/spec listings for long service life in air systems Compact overall length for tight installations Verified fitment Listed as Freightliner part number 23-14392-000 for compressor/air-system fittings and other DTNA/Freightliner applications that call for a 1/4" PTC to 1/8" MPT straight connector. Confirm fitment against your vehicle's parts list before ordering. Specifications (supplier-verified) End 1: 1/8" MNPT (male pipe thread) End 2: 1/4" outer diameter push-to-connect (PTC) tube receptacle Body material: brass (as listed by parts distributors) Overall length: approximately 0.98 in (supplier listing) Hex size: approximately 0.50 in Tube size accepted: 0.25 in (1/4" OD) Working temperature range: approximately -40 to +250 °F (supplier listing) Package contents 1 × straight PTC female-to-MPT male connector (1/4" PTC × 1/8" MPT) Cross-reference Freightliner / DTNA: 23-14392-000 (verified in Freightliner/parts listings) If you need additional OEM or aftermarket cross-references, confirm the exact thread standard (NPT/NPTF/BSPP) and tube OD before requesting further matches. Notes Do not assume interchangeability between fittings that use different thread standards (NPT vs BSPP) or different nominal sizes. Verify the correct thread type (NPT / NPTF / BSPP) for your application and inspect tubing material and outer diameter before installation.

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