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Derale Fan Spacer 2 Inch Water Cooling with 5-8 Inch Female Pilot-0

Fan Spacer Haiyazhma Cummins L 63.5mm Aluminum Engine Replacement

Original price was: $48.56.Current price is: $46.62.

The Haiyazhma fan spacer is an aluminum replacement part engineered for Cummins engines with a 63.5mm L‑type mounting. Its durable construction promotes optimal airflow, helping to lower engine temperature and prevent overheating during heavy-duty operation. Easy to install, it fits precisely without modifications, delivering reliable cooling performance for trucks, generators, and other commercial applications.

9999 in stock
SKU: CJB9G1B0CKHQ Category:
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Description

Product Overview

The Haiyazhma fan spacer is a precision‑engineered component designed to replace the original fan spacer in a wide range of Cummins‑powered equipment. Constructed from high‑grade aluminum alloy, the spacer offers an excellent balance of strength, heat resistance, and lightweight performance. The part numbers 3910131 and C3910131 correspond to the exact specifications required for a 63.5mm L‑type mounting configuration, ensuring a seamless fit without the need for additional machining or adapters. The design incorporates strategically placed ventilation holes that promote efficient airflow across the radiator core, reducing thermal buildup and extending the lifespan of critical engine cooling elements. Manufacturer Haiyazhma has a reputation for delivering durable automotive parts, and this fan spacer continues that tradition with rigorous quality control processes, including dimensional verification and corrosion resistance testing. The product is listed under ASIN B0CKHQB9G1 and ranks within the top 60 in the Automotive Replacement Engine Fan Spacers category, reflecting strong market acceptance and positive user feedback.

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Usage

This fan spacer is ideally suited for medium to heavy‑duty applications where reliable engine cooling is paramount. It performs exceptionally well in commercial trucks, vocational vehicles, and stationary generators that operate under sustained load conditions. The aluminum construction dissipates heat quickly, making it an excellent choice for environments with high ambient temperatures or prolonged idling periods. Installation is straightforward: the spacer bolts directly onto the engine block using the original mounting holes, and the fan assembly attaches to the spacer with the existing hardware. No additional tools or modifications are required, which minimizes downtime and reduces labor costs. The part is also compatible with aftermarket cooling fans that meet the 63.5mm L‑type specification, providing flexibility for users who wish to upgrade their cooling system for enhanced performance.

When used in conjunction with a properly sized radiator and a high‑efficiency fan, the Haiyazhma fan spacer helps maintain optimal engine operating temperatures, thereby improving fuel efficiency and reducing wear on internal components. It is particularly beneficial in hot‑climate regions, desert operations, and high‑altitude applications where thinner air can compromise cooling effectiveness. By ensuring consistent airflow, the spacer supports the engine’s ability to meet emission standards and maintain power output over extended service intervals.

Why Choose Us

Choosing Haiyazhma means selecting a partner committed to quality, reliability, and customer satisfaction. Each fan spacer undergoes a multi‑stage inspection process that includes dimensional checks, material composition analysis, and surface finish evaluation to guarantee that the part meets or exceeds OEM standards. The company offers a limited warranty that covers manufacturing defects, providing peace of mind for fleet managers and individual owners alike. In addition, Haiyazhma maintains a dedicated technical support team that can assist with installation guidance, part compatibility queries, and after‑sales service, ensuring that customers receive comprehensive assistance throughout the product lifecycle.

Beyond the product itself, Haiyazhma emphasizes sustainable manufacturing practices. The aluminum used in the fan spacer is sourced from recycled material whenever possible, reducing the environmental impact associated with raw material extraction. The company also implements energy‑efficient production methods and adheres to strict waste management protocols, aligning with industry standards for eco‑friendly manufacturing. By choosing this fan spacer, customers not only benefit from superior performance but also contribute to a greener supply chain.

Key Features

  • High‑grade aluminum alloy construction for lightweight durability and superior heat dissipation.
  • Exact 63.5mm L‑type fit ensures a direct bolt‑on replacement with no modifications required.
  • Optimized ventilation design promotes increased airflow, reducing engine temperature under heavy load.
  • Corrosion‑resistant finish extends service life in harsh environments and high‑humidity conditions.
  • Comprehensive after‑sales support and warranty provide confidence and assistance for installation and maintenance.

FAQ

What engines are compatible with this fan spacer?

The fan spacer is specifically engineered for Cummins engines that use a 63.5mm L‑type mounting pattern. It fits a variety of models commonly found in medium‑duty trucks, vocational equipment, and stationary generators. Always verify the engine model and mounting dimensions before purchase to ensure compatibility.

Can I install the fan spacer myself?

Yes. The installation process is designed to be straightforward. The spacer bolts directly onto the engine block using the original mounting holes, and the fan attaches to the spacer with the existing hardware. No special tools or modifications are needed, making it suitable for both professional mechanics and experienced DIY enthusiasts.

How does the aluminum material improve cooling performance?

Aluminum has a high thermal conductivity, which allows it to transfer heat away from the fan assembly more efficiently than many other metals. This property helps maintain lower engine temperatures, especially during prolonged operation or in high‑ambient‑temperature environments, thereby enhancing overall cooling system effectiveness.

What warranty does Haiyazhma provide?

Haiyazhma offers a limited warranty that covers manufacturing defects for a specified period after purchase. The warranty terms are outlined in the product documentation and can be extended through authorized distributors. Customers can also rely on the company’s technical support team for assistance with any issues that arise during the warranty period.

Is the fan spacer recyclable?

Yes. The fan spacer is made from recyclable aluminum alloy. At the end of its service life, the component can be reclaimed and processed in accordance with local recycling regulations, supporting environmentally responsible disposal practices.

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