Durable 3697436f Engine Bypass Water Hose Optimized for Temperature Stability (-40°C to 130°C) in Cummins-Powered Generators

Customization: Available
Certification: CCC, COP, ISO9001, E-Mark, RoHS, TS16949
Standard Component: Standard Component

Product Description

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Basic Information

Model NO.
3697436F
Technics
Forging
Material
Iron
Type
Piston Ring
Weight
0.66kg
Shipment
Sea or Air
MOQ
1 PCS
Color
Black or Others
Transport Package
Wooden
Specification
45cm*26cm*15cm
Origin
USA/China
Capacity
500,000
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Product Overview

Engine Bypass Water Hose

The 3697436F Bypass Water Hose is a specialized OEM cooling system component engineered exclusively for diesel engines, covering a wide range of applications including heavy-duty on-highway vehicles (long-haul trucks, urban buses), off-highway machinery (construction excavators, mining loaders, agricultural tractors), and stationary industrial generators.

As a critical part of the engine's coolant circulation system, its core function is to create a "bypass" pathway for engine coolant—directing a portion of the fluid around the radiator during cold starts or low-load operations, accelerating engine warm-up to reach optimal operating temperature (82-95°C) faster, and preventing overcooling that could reduce fuel efficiency or cause component wear.

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Key Features & Performance

Superior Cold-Start Performance: Cuts engine warm-up time by 25-30%, reducing wear on piston rings, bearings, and gaskets during the critical startup phase.
Extreme Durability: Constructed with high-grade EPDM rubber, maintaining flexibility in temperatures from -40°C to 130°C. Resists thermal aging and coolant degradation.
Reinforced Structure: Features polyester braided reinforcement to withstand vibrations up to 2,000 Hz, preventing kinking or separation under heavy-duty loads.
Validated Reliability: Undergoes 1,000-hour pressure cycling and 500 thermal shock cycles to ensure a service life of up to 6,000 operating hours.
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Professional Services

Service Facility

We are a comprehensive and diversified enterprise specialized in diesel generator sets, engine assemblies, and genuine parts sales. We provide a full range of after-sales services to ensure stable equipment operation. Our technical expertise covers various construction machinery, providing professional maintenance and solving complex equipment failures to ensure normal production for our clients.

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Production & Quality

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Packaging & Certification

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International Partners

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Frequently Asked Questions

Q: What's the lead time for orders?
A: Standard models typically ship within 15–30 days. For customized units or rare parts, the lead time may require 60-90 days depending on stock availability.
Q: How can I verify if this part fits my specific engine model?
A: Please provide your engine serial number or part number to our customer service team. We will help you identify the exact match for your equipment.
Q: Do you offer international shipping and necessary documentation?
A: Yes, we provide a full export package including Commercial Invoice, Packing List, Bill of Lading, and COC documents. Shipments can be arranged via sea or air.
Q: Can I request customized engine parts or attachments?
A: Absolutely. We offer tailored attachments and can provide customized parts based on your technical specifications.
Q: What should I do if a part shows as out of stock in the store?
A: Please contact us directly. Often products are in stock but not yet listed online due to category restrictions or keyword variations. We can check our live inventory for you.
Q: How long does shipping take after payment is confirmed?
A: We generally require 3 business days to process and stock the items before shipping. For rare parts, we will inform you via email if extra time is needed.

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