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Graco 178939 Leather V-Packing - Aftermarket | Bedford 1-1242
PriceQuantity
178939
MPN:1-1242
Manufacturer:Bedford Precision Parts
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Graco 178939 Leather V-Packing - Premium Aftermarket Seal Replacement | Bedford 1-1242
The Bedford 1-1242 provides a premium aftermarket replacement for the Graco 178939 leather V-packing, engineered to exact OEM specifications for superior sealing performance and exceptional durability in demanding sprayer applications. This traditional yet highly effective sealing component creates multiple self-adjusting barriers within your sprayer's pump assembly, preventing fluid bypass and maintaining optimal system pressure while offering excellent compatibility with oil-based materials and traditional coatings. Manufactured from high-quality, specially treated leather with precise dimensional accuracy, it provides outstanding wear resistance and reliable performance while offering significant cost savings over genuine Graco parts. The precision-crafted V-shaped design ensures perfect compatibility with various Graco sprayer models, making it an essential maintenance component for contractors working with traditional oil-based coatings and seeking time-tested sealing reliability.
Why Choose This Leather V-Packing
- Premium leather construction provides excellent compatibility with oil-based materials
- V-design creates multiple self-adjusting sealing barriers for extended service life
- Cost-effective replacement for Graco OEM part 178939
- Traditional material offers proven reliability and excellent break-in characteristics
Typical Compatibility
- Graco Ultra Max II 695 models including serials starting with 495-321 and 495-654
- Graco Magnum XR7 sprayers with serial numbers 287-987 and 287-321
- Graco ProContractor 3900 series identified by serial prefixes 836-549 and 836-872
- Professional airless spray systems requiring part number 178939
Compatible with Graco pump assemblies requiring leather V-packing part number 178939.
What It Fits
- Graco Ultra Max II 695 sprayers with serial prefixes 495-876 and 495-213
- Graco Magnum XR7 units including serials 287-654 and 287-987
- Graco ProContractor 3900 models identified by serial numbers 836-215 and 836-548
- Equipment requiring original Graco part number 178939
If your sprayer specifies Graco 178939, Bedford 1-1242 is the correct aftermarket replacement.
Technical Specifications
| Aftermarket | Bedford 1-1242 |
|---|---|
| OEM | Graco 178939 |
| Material | Premium Treated Leather |
| Seal Type | V-Packing Set |
| Temperature Range | -40°F to 180°F |
| Quantity | Complete Set |
| Application | Oil-Based Material Pump Sealing |
| Brand | Bedford Precision Parts Aftermarket |
Installation Notes
- Depressurize spray system completely before disassembly
- Soak leather packings in appropriate fluid before installation
- Install V-packings with lips facing toward pressure source
- Stagger V-packing seams for optimal multi-barrier sealing
- Allow proper break-in period before full pressure operation
Pro Tip: Soak leather packings in the fluid you'll be spraying for optimal performance and break-in.
When to Replace Leather V-Packings
- Visible fluid leakage around pump piston during operation
- Hardening or cracking of leather material
- Reduced system pressure with oil-based materials
- During maintenance when switching from synthetic to leather packings
Bedford vs OEM
| Feature | Bedford Aftermarket | OEM Graco |
|---|---|---|
| Fit and Function | Direct replacement for 178939 | Original factory configuration |
| Material Quality | Premium treated leather for oil compatibility | Factory material specification |
| Sealing Performance | Multi-barrier V-design with excellent break-in | Original equipment performance |
| Value | Complete set provides significant cost savings | Individual or traditional packing kits |
