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RS30291 Excavator Air Filter WA11650

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Notice of Mid-Autumn Festival & National Day Holiday Dear Customers and Partners, Please be informed that our company will observe the Mid-Autumn Festival and National Day Holiday from October 1st to October 8th, 2025, for a total of 8 days. Our office will be closed during this period, and normal business operations will resume on October 9th, 2025. However, our sales team will remain available online via email or WhatsApp throughout the holiday. You are welcome to send inquiries at any time, and we will respond as soon as possible. Contact: Email: Sales@filters-king.com WhatsApp/WeChat: +86 18965520297 | +86 18144082725 We appreciate your understanding and wish you a happy Mid-Autumn Festival and National Day! Best regards, CHINA EVERLASTING PARTS CO., LIMITED

RS30291 Excavator Air Filter WA11650

Part Number:375-4302(Used With 375-4301)
Part Type:Radial Seal Air Filter Element
Brand:Caterpillar Replacement
MOQ:20pcs
  • Details

Product Overview

At CHINA EVERLASTING PARTS CO., LIMITED — a professional high-quality filters manufacturer — we are dedicated to supplying heavy-duty filtration solutions. Our product range includes air filters, air cleaner filters, air dryers, ventilation filters, breather filters, oil filters, fuel filters, hydraulic filters, fuel-water separators, air-oil separators, and complete filter assemblies. OEM and ODM orders are warmly welcomed.

Introducing the RS30291 Excavator Air Filter (WA11650), engineered to deliver premium engine protection for heavy equipment and excavators. This product is highly searched under terms such as Baldwin Air Filter Cross Reference, Wix Air Filter Lookup, Heavy Equipment Air Filter Replacement, OEM Engine Air Filter, and Excavator Air Filter.


Features & Specifications

Designed for demanding working environments, the RS30291 Air Filter ensures stable filtration performance and long service life. See detailed specifications below:

Parameter Specification
Outer Diameter 8.49 inch (215.6 mm)
Inner Diameter 6.94 inch (176.3 mm)
Length 26.42 inch (671 mm)
Application Excavators, Heavy-Duty Engines, Construction Equipment


Cross Reference Part Numbers

This RS30291 Excavator Air Filter is interchangeable with the following part numbers from other major brands:

  • Baldwin: RS30291
  • Caterpillar: 375-4302
  • Donaldson: P958209
  • Fleetguard: AF4370
  • Hifi: SA 160131
  • Sakura: A-44430
  • Wix: WA11650


Advantages for Your Business

Feature: High-efficiency pleated paper media and durable end-cap design.

Advantage: Provides maximum dust holding capacity and consistent airflow even in high-dust construction environments.

Benefit: Reduces engine wear, extends maintenance intervals, and lowers overall operating costs for your fleet or service customers.


Evidence – Customer Testimonials

⭐⭐⭐⭐⭐

“Perfect Baldwin Air Filter Cross Reference! Easy to install and fits exactly as the OEM filter. Excellent performance for excavators.” – Heavy Equipment Dealer, Texas

⭐⭐⭐⭐⭐

“We used the Wix Air Filter Lookup and found this RS30291 replacement. Great airflow and durability, highly recommend for fleet maintenance.” – Service Center, Florida

⭐⭐⭐⭐⭐

“As a wholesaler, we appreciate consistent quality and fast delivery. The OEM Engine Air Filter replacements from CHINA EVERLASTING PARTS are outstanding.” – Distributor, Canada


Why Choose CHINA EVERLASTING PARTS

  • Professional manufacturer of high-quality filters with strict QC standards.
  • OEM & ODM customization available.
  • Reliable supply chain and global distribution network.
  • Comprehensive technical support and fast response service.


Contact Information

For inquiries, bulk orders, or OEM cooperation, please contact us directly:

WhatsApp / WeChat: +86 18965520297
WhatsApp / WeChat: +86 18144082725
Email: Sales@filters-king.com


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