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CAT 307 Bucket Seal Kit 105-7253 Excavator Hydraulic Cylinder Rebuild Kit High-Performance Bucket Repair Seals

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CAT 307 Bucket Seal Kit 105-7253 Excavator Hydraulic Cylinder Rebuild Kit High-Performance Bucket Repair Seals

Brand Name : YNF

Model Number : 105-7253

Certification : CE

Place of Origin : CHINA

MOQ : 1 set

Price : contact our sales

Payment Terms : T/T,Western Union,MoneyGram

Supply Ability : 5000 sets per month

Delivery Time : 5-8 working days

Packaging Details : The goods are packed in standard export packaging to ensure safe delivery.

MOQ : 1 set

Availability : Ready stock

Shipping Time : 1–3 working days after order confirmation

Delivery Methods : DHL, FedEx, UPS, EMS, Sea, or Air Freight

Payment Options : T/T, PayPal, Western Union

Warranty : 6 months

Custom Solutions : Available upon request

Application Area : Excavator maintenance and hydraulic repairs

Competitive Edge : Factory-direct pricing, quality-controlled, strong after-sales support

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Product Description:

Overview

The YNF16738 bucket seal kit is engineered for the Caterpillar CAT 307 excavator and corresponds to OEM reference number 105-7253. This seal kit is designed to restore the performance of your excavator's bucket hydraulic cylinder, ensuring maximum sealing efficiency, extended service life, and resistance to high pressure and abrasion. It includes all the critical sealing components required for a full cylinder rebuild.

Machine Compatibility

Model: CAT 307
Cylinder Application: Bucket cylinder
OEM Part Number: 105-7253
100% tested for compatibility and performance under OEM conditions.

What’s Included

The kit features a full assortment of high-performance seals made from robust, wear-resistant materials:

Rod Seal – Ensures zero leakage along the rod.
Piston Seal – Withstands high pressure, maintains tight seal.
Dust Seal/Wiper Ring – Blocks external contaminants like dust, mud, and water.
Buffer Seal – Protects primary seals from pressure spikes.
Wear Ring – Guides piston/rod, prevents metal contact.
O-Rings & Back-up Rings – Prevent extrusion and ensure sealing under load.

Key Advantages

OEM Fit and Function: Matches original specs for hassle-free installation.
Premium Materials: Made of PU, NBR, and PTFE; highly resistant to hydraulic oil, heat, and wear.
Enhanced Durability: Withstands extreme working conditions and prolonged usage without degradation.
Leak-Proof Assurance: Double-seal setup ensures zero internal/external leakage.
Easy to Install: Perfect fit means no machining or modifications are needed.

Use Cases

Bucket cylinder leakage repair
Scheduled maintenance and rebuilds
Workshop overhauls for construction fleets
Field service for hydraulic cylinder failures

Technical Specifications:

Parameter	Detail
Product Code	YNF16738
OEM Number	105-7253
Machine Model	Caterpillar CAT 307
Applicable Cylinder	Bucket Cylinder
Kit Contents	Rod seal, piston seal, buffer seal, dust wiper, O-rings, wear rings
Material Composition	Polyurethane (PU), Nitrile Rubber (NBR), PTFE
Pressure Resistance	Up to 350 bar
Temperature Range	-30°C to +110°C
Installation	Direct OEM replacement
Packaging	Inner sealed plastic bag + protective carton

CAT 307 Bucket Seal Kit 105-7253 Excavator Hydraulic Cylinder Rebuild Kit High-Performance Bucket Repair Seals Images

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