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Genuine Thermo King ABS Door Holddown Plate | 91-5231


Sale price $9.99 Regular price $12.50
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Description

The Genuine Thermo King 91-5231 Door Holddown Plate is a rugged, heavy-duty replacement hardware component engineered for transport refrigeration unit (TRU) exterior structural assemblies. Designed specifically to reinforce high-stress plastic and ABS doors, this metal backing plate safely distributes tightening forces across a broad surface area to prevent structural cracking around fastening zones. Built to meet strict Thermo King factory standards, it maintains ideal tension on outer door hinges and service panels through intense over-the-road travel vibration. Replacing bent or warped plates ensures maximum weather resistance and prevents accidental panel door pop-outs during long-haul refrigeration transit cycles. [1]
⭐ Key Features & Benefits
  • OEM Structural Match: True Thermo King original factory replacement component designed to drop seamlessly into existing door lines. [1]
  • ABS Shell Protection: Broad flat profile spreads clamping loads to stop bolts from fracturing fragile fiberglass or ABS door casings under vibration.
  • Corrosion-Resistant Armor: Coated alloy construction stands up against severe road salts, chemical de-icers, and brutal weather conditions.
  • Vibration Dampening Grip: Engineered thickness provides optimal spring-back tension to keep reefer access panel latches tight at high speeds.
  • Flush-Fit Seating: Precision stamped mounting hole clearances allow fasteners to seat perfectly flush, eliminating drag on rubber seals.
🔧 Uses / Applications
  • Thermo King Panel Rebuilds: Vital reinforcement plate when replacing or patching cracked exterior plastic access panel shells on trailer reefer units.
  • Fleet Preventive Care: Replaces rusted or warped factory backing hardware to prevent roadside door failures and structural cover tears.
  • Service Access Upgrades: Essential structural component during regular engine bay or cooling compartment latch alignments.
  • Climate Enclosure Tuning: Ensures the outer panel seals compress symmetrically to protect internal diesel and electrical nodes from water exposure.
📊 Technical Specifications
Specification Detail
Part Type ABS Door Holddown Backing Plate
Position Outer Refrigeration Unit Service Doors
Part Number 91-5231 / 915231
Material Heavy-Duty Plated Steel / High-Strength Alloy
Fitment Universal Thermo King Trailer & Truck Units
Condition Brand New
Installation Direct-Fit OEM Bolt-On
🔄 Cross‑Reference / Interchange Table
Manufacturer Equivalent Part Number
OEM (Thermo King) 91-5231 / 915231 / TK-91-5231
Surplus Line 91-5231-SP
Additional Notes Designed to fit standard Thermo King trailer unit exterior doors. Use with factory-specified mounting fasteners for optimal holddown torque.

Disclosure Policy

This product was acquired by Freeman Liquidators from a sale of merchandise subject to a commercial insurance loss. Freeman Liquidators is a secondary seller of products, is not affiliated with or sponsored by the manufacturer of the products and is not a manufacturer authorized seller of the products. Sale of this product by Freeman Liquidators is not subject to the policies of the manufacturer. Any warranty offered by the manufacturer is not available to you as the purchaser.

All products are NEVER USED but external packaging will have damage. Some items may be placed into other packaging to ensure safe shipping. All items are opened for inspection prior to shipment to ensure the best quality of products. Freeman Liquidators guarantees your satisfaction. If you are not completely satisfied with a purchased product, within 30 days from the date of purchase, return the product in its packaging and Freeman Liquidators will fully refund your money.

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Genuine Thermo King ABS Door Holddown Plate | 91-5231

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