Shipping Estimate
USA
- USA
- CAN
- USA
- CAN
Ships within 48 hours · Estimated delivery Jul 8 - Jul 13
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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
4.1 ★★★★★
Based on 467 reviews
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Product Reviews
★★★★★ 5
Slip-on ready and great quality
Size: 9, Color: Black
These shoes were stuff for the first half hour but then feel great. Well worth the chance and money. Great quality and slip-on easy
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Reviewed in the United States on May 22, 2026
★★★★★ 5
Great buy
Size: 11, Color: Tan
Great fit comfortable look good
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Reviewed in the United States on May 12, 2026
★★★★★ 5
Great shoes
Size: 14 Wide, Color: Black
My shoes look good and feel good and now I’m going to purchase the brown pair I saw
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Reviewed in the United States on April 24, 2026
★★★★★ 4
Don’t buy for restaurant industry
Size: 10.5, Color: Black, Size: 10.5, Color: Black
Good looking shoes, fairly comfortable and good value based on the description shared, so I don’t feel it’s fair to rate them lower than 4 stars. I had high hopes for them based on previous reviews from others saying they wore them in the food and beverage industry that mentioned their quality and durability, however I strongly recommend looking elsewhere if you do. I purchased these to wear working in a full service upscale restaurant and in less than two months have managed to have torn the material on the middle exterior section and the bottoms of the shoes are already completely worn down. Good design, but the durability needs to be improved if they’re to hold up for that industry.
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Reviewed in the United States on July 18, 2025
★★★★★ 1
DO NOT BUY (lasted less than 7 months)
Size: 11, Color: Black, Size: 11, Color: Black
I bought these for work as a bartender in August of 2025. By December, the tops were scuffed, frayed, and peeling beyond repair, and by February, the soles were coming off. I’ve never had a pair of shoes with such low quality.
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Reviewed in the United States on April 11, 2026