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Ships within 48 hours · Estimated delivery Jul 22 - Jul 27
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Description
MT3903 RAPID SEAL KIT INTERNATIONAL APPLICATIONCross References Brand Manufacturer Part Number AP Air Inc. 44 300 Autokool MT3903 FleetPride OTR503903, OTRRS1003 Global Parts Distributors LLC (GPD) 1321372 Ideal Air 7901069 MEI Air Source 0169, 0179 Murray Climate Control 26975 Navistar International (OEM) 2614861C91, 2614861 C91, 2614861C92 Omega Environmental Technologies (Main Product) MT3903 Red Dot 70R5506, RD 5 15358 0P Santech MT3903 Sunair Products KT NAV3 UAC RS 3903, RS3903 Technical
Cross References
| Brand / Manufacturer | Part Number |
|---|---|
| AP Air Inc. | 44-300 |
| Autokool | MT3903 |
| FleetPride | OTR503903, OTRRS1003 |
| Global Parts Distributors LLC (GPD) | 1321372 |
| Ideal Air | 7901069 |
| MEI / Air Source | 0169, 0179 |
| Murray Climate Control | 26975 |
| Navistar / International (OEM) | 2614861C91, 2614861-C91, 2614861C92 |
| Omega Environmental Technologies (Main Product) | MT3903 |
| Red Dot | 70R5506, RD-5-15358-0P |
| Santech | MT3903 |
| Sunair Products | KT-NAV3 |
| UAC | RS 3903, RS3903 |
Technical Specifications
| Feature | Details / Value |
|---|---|
| Product Type | A/C System O-Ring and Gasket Kit |
| Kit Designation | Rapid Seal Kit / Navistar Slim Line Washer Kit |
| Material Composition | Premium Hydrogenated Nitrile Rubber (HNBR) O-Rings & Heavy-Duty Steel Washers |
| Total Piece Count | 15-Piece Assortment Kit |
| Kit Contents | • 3 x #6 Navistar Slim-Line Sealing Washers & HNBR O-Rings • 6 x #8 Navistar Slim-Line Sealing Washers & HNBR O-Rings • 6 x #10 Navistar Slim-Line Sealing Washers & HNBR O-Rings |
| Refrigerant Compatibility | Flawlessly compatible with R12, R134a, and R1234yf system fluid parameters |
| Physical Properties | Excellent elastomer compression, high chemical degradation resilience, extreme temperature thresholds, and complete sealing force retention |
| Country of Origin | China (CN) |
| UPC Code | 00780250942939 |
| Product Department | HVAC Systems / Mobile Climate Control Sealing Components |
Applications & Compatibility Guide
| Category | Usage & Compatible Truck Models |
|---|---|
| Recommended Use | • Designed as a complete vehicle-specific rapid refresh overhaul bundle containing exact-fit replacement seals required for servicing the compressor, accumulator, expansion valve, and condenser plumbing junctions in a single repair job. |
| Truck & Engine Models | • International / Navistar Commercial Fleet Platforms: - International ProStar , Navistar , LT , Models |
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.3 ★★★★★
Based on 9 reviews
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Product Reviews
★★★★★ 5
The Perfect Shelves!
Color: Wooden
Great quality and easy to assemble. The perfect shelves for my space.
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Reviewed in the United States on March 16, 2026
★★★★★ 5
Beautiful Decorative and Light Weight Shelving!
Color: White
Beautiful shelving. Came with hardware for hanging and a ruler strip template for mounting locations, although the holes did not match up with the shelf holes. Shelves are just the right size for my purpose and also decorative and light weight.
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Reviewed in the United States on May 24, 2026
★★★★★ 4
sturdy, solid wood, a couple of blemishes
Color: Black
The shelves are securely packed for shipping. The box for the actual item was dented and smashed at one corner, but the contents were well secured. The support braces (6 in total) had a blemish on one - which I will cover with black permanent marker and face on the inside. The second support, which was packed so one could see the defect upon opening of the box, had a couple of dings on the top of the shelf and a huge notch taken out of the side of the support - which is black and near the top and shouldn't be noticable. I question the quality control to ship out that piece with the serious notch, especially because it was right on top when you opened the box, fully visible. I originally thought it was an angled hole for a screw, until I read the instructions and then realized the others didn't have that notch. The 3 shelves are fine except for the one with a few small dings/dents on the top side. The set comes with dowels, all hardware and so forth. Overall these are solid sturdy shelves.
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Reviewed in the United States on June 17, 2024
★★★★★ 5
Color matches photos… but stickers don’t 😂
Color: Wooden, Color: Wooden
They don’t feel cheap & hold a reasonable about of weight considered I have my heavy ass salt rock lamp thing on there. It also matches all my other wood which was what I was really hoping for. One thing that made me laugh is the stickers they included to hide the screws. The color is so off it’s comical. It’s not a big deal though, I am just not going to use them.
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Reviewed in the United States on February 26, 2026
★★★★★ 5
Forbena 24 inch wall shelves
Color: White
Perfect shelving for my bathroom
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Reviewed in the United States on January 25, 2026