ranroswang@hksparkling.com 
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523-4986 Fuel Filter Separator Compatible with Caterpillar 320, 323, 325, 326, 330 & M314 Machinery
Part number 523-4986 is a Fuel Water Separator Housing Assembly manufactured for Caterpillar (Cat). It is a critical component that holds the fuel filter element and effectively separates water and impurities from the fuel system to protect the engine.
Material: Durable Nylon or Polyamide plastic.
Thread Sizes: 4.25-7 STUB ACME and 1/2-20 STOR Port.
Compatible Equipment - Caterpillar's modern heavy machinery：
· Excavators: 320, 320 GC, 323, 325, 326, 330, 330 GC, 333, 335, 336, 336 GC, 340, 345 GC, and 350.
· Wheel Loaders: 950 and 962.
· Wheeled Excavators: M314, M315, M316, M318, and M320.
· Material Handlers: MH3022, MH3024, MH3040, and MH3250.
· Forest Products: 538, 548, 558, and 568.
Dear Valued Partners,
We sincerely cherish your trust in and choice of SPARKLING MACHINERY—this precious recognition is the core driving force for us to polish every detail of construction machinery fuel system components. Today we bring you the 523-4986 Fuel Filter Separator, an OEM-compatible precision fuel treatment part exclusively tailored for Caterpillar 320,323,325,326,330 and M314 machinery. Engineered for high-efficiency filtration and reliable water separation, it’s a key component to protect the engine and fuel injectors from contamination damage.
The SPARKLING MACHINERY NEW 523-4986 Fuel Filter Seperator Photo:
Why choose the SPARKLING 523-4986 Fuel Filter Separator?
- Direct-fit compatibility: Precisely matches the original installation interfaces, connection dimensions and fuel system parameters of Caterpillar designated models, realizing one-step assembly without secondary debugging or pipeline modification.
- Precision control: Meticulous filtration core and water separation structure design ensure precise control of filtration accuracy and water separation efficiency, effectively intercepting tiny impurities to avoid fuel injector wear and engine malfunction.
- Rigorous quality: Undergoes strict pressure resistance, leakage and filtration efficiency tests before delivery, ensuring stable and reliable performance under heavy-duty construction and complex working conditions of Caterpillar machinery.
- Professional support: Provides professional installation, disassembly and maintenance guidance, as well as timely after-sales technical consultation and fault troubleshooting for the entire product service cycle.
- Cost-effective reliability: Delivers OEM-level filtration performance and structural durability at a competitive price, reducing the frequency of fuel system maintenance and replacement, and effectively cutting the overall operational cost of your equipment.
About SPARKLING MACHINERY:
- Founded in 2013, SPARKLING focuses on high-quality excavator parts across hydraulics, undercarriage, engines and electrical systems. We prioritize stability, precision and continuous service, offering worldwide distribution, tailored solutions and strict QC to help customers reduce cost and increase uptime.
Get In Touch:
- Replace your failing ECU confidently. Contact SPARKLING for pricing, lead time, and technical support — restore optimal machine control quickly and reliably.
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📦 Packing
1. Packaging methods: Carton box + Wooden case/Pallet + Anti-rust treatment
2. Export-standard packaging to ensure safety during transportation
3. Custom packaging available upon request
4. Dimensions and weight can be provided for freight calculation
🚚 Shipping
1. Available shipping methods: Sea freight, Air freight, Express delivery (DHL, UPS, FedEx, etc.)
2. LCL (Less than Container Load) and FCL (Full Container Load) options are supported
3. For Russian clients, we can introduce the forwarder agent to you
4. Delivery time: Ships within 1-3 working days after payment (for items in stock)
💳 Payment
1. Accepted methods: T/T, Bank Transfer, PayPal, Alipay, WeChat Pay, Western Union
2. Deposit + balance payment available for large or custom orders
3. Flexible payment options—feel free to contact us for details
📌 Frequently Asked Questions (FAQs)
Q: Which excavator models is this part compatible with?
A: This product is compatible with major brands such as CAT, KOMATSU, HITACHI, and more. Custom specifications are also available.
Q: How can I make sure I’m selecting the correct part?
A: You can send us a photo of the old part, part number, or your excavator model, and we will help you confirm the right match.
Q: Is there a warranty for this product?
A: Yes, we offer a 6-month quality guarantee under normal use.
Get a free quote
We are committed to producing the highest quality products at the most competitive prices. Therefore, we sincerely invite all interested companies to contact us for more information.
Contact us
Email: ranroswang@hksparkling.com
Wechat: +86 136 0901 0879
Skype: foreverlucia1
WhatsApp: +86 136 0901 0879
Address: No. 514-515, Hulin Road, Tianhe District, Guangzhou, China.
Sparkling Machinery Co.,Ltd
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Whatsapp: +8613609010879