Thermo King Grommet Bumper Seal for Cable Pass-Through 999428
Official OEM Thermo King parts catalog entry for the Grommet Bumper 999428, verified by PEAK Thermo King and West Texas Thermo King Texas, Utah, Wyoming, Washington, Oregon, serving all of the USA.
Built for Performance: The Thermo King Grommet Bumper 999428 protects and cushions cable and pipe pass-throughs while preserving seal integrity on Thermo King refrigeration system assemblies. Engineered for use in temperature-controlled fleets, this OEM component supports uptime and precise temperature control for reefer trailer and transport refrigeration applications.
The Grommet Bumper 999428 delivers dependable abrasion resistance, vibration isolation, and leak prevention. West Texas Thermo King certifies this part for reliable field performance across routine maintenance and service operations in Amarillo, Lubbock, Odessa, and the Permian Basin.
- OEM-Grade Material – Provides durable cushioning and long service life in demanding transport refrigeration environments.
- Seal Protection – Preserves hole integrity to reduce moisture ingress and maintain consistent temperature control.
- Vibration Isolation – Reduces wear on wiring and tubing to extend component life and prevent premature failures.
- Precision Fit – Designed to sit securely in panel and bulkhead openings common to reefer trailers and truck-mount units.
- Service-Friendly – Simplifies replacement during scheduled maintenance intervals to minimize downtime.
- Fleet-Grade Reliability – Supports predictable maintenance planning for regional fleets operating across West Texas.
Product Details
| Part Number | 999428 |
| Product Name | Grommet Bumper 999428 |
| Material | OEM-grade rubber elastomer |
| Primary Function | Protects and seals pass-through openings for cables and tubing |
| Typical Use | Reefer trailer and transport refrigeration assemblies |
Efficiency & Sustainability
The Grommet Bumper 999428 supports fuel-efficient cooling and precise temperature control by maintaining sealed assemblies and reducing the risk of air or moisture intrusion. Proper sealing reduces rework and parts turnover, contributing to lower material waste and consistent operational efficiency across Thermo King Smart Reefer SR-4 and similar temperature control platforms.
Installation & Maintenance Tips
Install the grommet bumper into the prepared opening ensuring even seating around the circumference. Use OEM clamps or recommended fasteners where applicable, inspect grommet condition during scheduled service intervals, and replace if signs of hardening, cracking, or deformation occur to preserve seal performance.
Real-World Applications
The Grommet Bumper 999428 fits where wiring, tubing, or sensor leads pass through panels and bulkheads on refrigerated trucks and reefer trailers, reducing abrasion and preventing leaks that compromise cold-chain integrity. Available for installation and service in Amarillo, Lubbock, Odessa, and throughout West Texas.
Backed by Thermo King’s engineering and supported by certified technicians at West Texas Thermo King, this component delivers lasting reliability and uptime assurance for fleet operations.
For product verification or service assistance, call (806) 376-5837.
For current warranty eligibility or OEM replacement coverage, contact us for warranty information: contact West Texas Thermo King.
Frequently Asked Questions
Q: Is this grommet bumper compatible with Thermo King units?
A: Yes. The Grommet Bumper 999428 is designed for use in Thermo King refrigeration assemblies and common reefer trailer pass-through locations; consult vehicle-specific parts lists or contact West Texas Thermo King for exact fitment guidance.
Q: How does this part improve fleet reliability?
A: By preventing abrasion and sealing panel openings, the grommet bumper reduces component failures and moisture ingress that can lead to temperature excursions and service events.
Q: When should this grommet be replaced?
A: Replace during routine inspections if the elastomer shows cracking, hardening, or deformation to maintain effective sealing and vibration isolation.
Q: Can technicians install this part during field service?
A: Yes. Installation is straightforward for certified service technicians and is typically completed during scheduled maintenance checks to minimize downtime.
Ask about fleet-wide parts programs through West Texas Thermo King.
Produced by a certified Thermo King dealership, West Texas Thermo King | a Division of PEAK Industrial. Servicing fleets across Amarillo, Lubbock, and Odessa.
Official OEM Thermo King parts catalog entry for the Grommet Bumper 999428, verified by PEAK Thermo King and West Texas Thermo King Texas, Utah, Wyoming, Washington, Oregon, serving all of the USA.
Built for Performance: The Thermo King Grommet Bumper 999428 protects and cushions cable and pipe pass-throughs while preserving seal integrity on Thermo King refrigeration system assemblies. Engineered for use in temperature-controlled fleets, this OEM component supports uptime and precise temperature control for reefer trailer and transport refrigeration applications.
The Grommet Bumper 999428 delivers dependable abrasion resistance, vibration isolation, and leak prevention. West Texas Thermo King certifies this part for reliable field performance across routine maintenance and service operations in Amarillo, Lubbock, Odessa, and the Permian Basin.
- OEM-Grade Material – Provides durable cushioning and long service life in demanding transport refrigeration environments.
- Seal Protection – Preserves hole integrity to reduce moisture ingress and maintain consistent temperature control.
- Vibration Isolation – Reduces wear on wiring and tubing to extend component life and prevent premature failures.
- Precision Fit – Designed to sit securely in panel and bulkhead openings common to reefer trailers and truck-mount units.
- Service-Friendly – Simplifies replacement during scheduled maintenance intervals to minimize downtime.
- Fleet-Grade Reliability – Supports predictable maintenance planning for regional fleets operating across West Texas.
Product Details
| Part Number | 999428 |
| Product Name | Grommet Bumper 999428 |
| Material | OEM-grade rubber elastomer |
| Primary Function | Protects and seals pass-through openings for cables and tubing |
| Typical Use | Reefer trailer and transport refrigeration assemblies |
Efficiency & Sustainability
The Grommet Bumper 999428 supports fuel-efficient cooling and precise temperature control by maintaining sealed assemblies and reducing the risk of air or moisture intrusion. Proper sealing reduces rework and parts turnover, contributing to lower material waste and consistent operational efficiency across Thermo King Smart Reefer SR-4 and similar temperature control platforms.
Installation & Maintenance Tips
Install the grommet bumper into the prepared opening ensuring even seating around the circumference. Use OEM clamps or recommended fasteners where applicable, inspect grommet condition during scheduled service intervals, and replace if signs of hardening, cracking, or deformation occur to preserve seal performance.
Real-World Applications
The Grommet Bumper 999428 fits where wiring, tubing, or sensor leads pass through panels and bulkheads on refrigerated trucks and reefer trailers, reducing abrasion and preventing leaks that compromise cold-chain integrity. Available for installation and service in Amarillo, Lubbock, Odessa, and throughout West Texas.
Backed by Thermo King’s engineering and supported by certified technicians at West Texas Thermo King, this component delivers lasting reliability and uptime assurance for fleet operations.
For product verification or service assistance, call (806) 376-5837.
For current warranty eligibility or OEM replacement coverage, contact us for warranty information: contact West Texas Thermo King.
Frequently Asked Questions
Q: Is this grommet bumper compatible with Thermo King units?
A: Yes. The Grommet Bumper 999428 is designed for use in Thermo King refrigeration assemblies and common reefer trailer pass-through locations; consult vehicle-specific parts lists or contact West Texas Thermo King for exact fitment guidance.
Q: How does this part improve fleet reliability?
A: By preventing abrasion and sealing panel openings, the grommet bumper reduces component failures and moisture ingress that can lead to temperature excursions and service events.
Q: When should this grommet be replaced?
A: Replace during routine inspections if the elastomer shows cracking, hardening, or deformation to maintain effective sealing and vibration isolation.
Q: Can technicians install this part during field service?
A: Yes. Installation is straightforward for certified service technicians and is typically completed during scheduled maintenance checks to minimize downtime.
Ask about fleet-wide parts programs through West Texas Thermo King.
Produced by a certified Thermo King dealership, West Texas Thermo King | a Division of PEAK Industrial. Servicing fleets across Amarillo, Lubbock, and Odessa.
