OEM & Part Cross-References
- Walker AIRSEP AJ960-3
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Walker AIRSEP · Vacuum Regulators
Walker AIRSEP Parts (Vacuum LIMITER) -Part# AJ960-3
Part number: AJ960-3
$171.52
Available to order
Confirm compatibility before ordering.
Marine filtration components can vary by engine model and installation. Call 954-767-9000 if you need help identifying the correct part.
Marine filtration components can vary by engine model and installation. Call 954-767-9000 if you need help identifying the correct part.
Product Description
This AJ960-3 vacuum LIMITER has been primarily used on Traditional (NON-CCE) AIRSEP systems from 1994-2004, that includes OEM engine factory installations such as Caterpillar 3196TA engines and select Detroit Diesel models. This is a replacement part, and has no integrated "Tee" connection. Older AIRSEP systems with AJ960-3 vacuum limiters use small regulator filters, but the filters are riveted on the assembly, and cannot be removed or changed like Walker part# CD180. When cleaning the limiter filter, it must be done while attached to the limiter assembly. Compatible with traditional AIRSEP systems only (using springs to attach the air filter to the AIRSEP body), AIRSEPS using Walker vacuum limiters. NOTE: Do not select if you have a CCE AIRSEP, a different regulator is required (PR2002). Convenience and premium quality come together with this Genuine Walker replacement part. Direct Replacement for Caterpillar # 4P-92932 or 4P9232 Walker Part# AJ960-3
Application Guide
Engine Compatibility & Fitment
Use this information as an application guide and confirm the existing equipment model, serial number and part number before ordering.
System Fitment
- Vacuum LIMITER
Fitment Notes
Replacement service component for compatible Walker AIRSEP systems. Match the existing component part number and connection dimensions before ordering.
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Hall Engine Company
Marine Parts and Expert Support Since 1988
When purchasing parts for a marine engine, generator, transmission or filtration system, choosing the correct product is essential. Hall Engine Company provides customers with more than access to quality marine products—we also offer the experience and personal service needed to help make the right selection.
Since 1988Serving the marine industry
Family OwnedPersonal, knowledgeable service
Worldwide ShippingUSA and international delivery
Expert AssistanceHelp selecting the correct part
Family-Owned and Operated Since 1988
Hall Engine Company has served vessel owners, captains, engineers, boatyards and marine professionals since 1988. As a family-owned and operated company, we believe customer relationships matter. We take pride in providing the personal attention and practical assistance customers may not receive from a large, automated online retailer.
Our business was built by serving customers directly, understanding their vessels and helping resolve real marine engine and equipment concerns. That customer-first approach remains central to how we operate today. Whether you are ordering routine maintenance supplies or searching for a specialized replacement component, our team is committed to making the process clear and dependable.
Assistance Selecting the Correct Product
Marine parts should not be selected by appearance alone. Compatibility may depend on the manufacturer, model, serial number, horsepower, installation design and existing part number. Even products that look similar may have different dimensions, connections or application requirements.
If you are uncertain whether this product is appropriate for your vessel, contact Hall Engine Company before ordering. Our experienced team can review the information you provide and help determine whether the product is suitable for your application.
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When requesting assistance, please provide as much information as possible. Helpful details may include:
- Vessel make, model and year
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- Equipment model and serial number
- Existing part number
- Photographs of the current component
- Measurements or installation details
- A description of the maintenance or repair
These details help our team understand your application and offer more accurate guidance. If additional information is needed, we will explain what to locate and where it may be found on your equipment.
Customer Service Is Our Priority
We understand that customers may be ordering for scheduled maintenance, an active repair or a vessel that needs to return to service quickly. Our team works to answer questions clearly, confirm available product information and help customers avoid preventable ordering mistakes. If an application requires additional verification, we would rather review it carefully than recommend a product without sufficient information.
Shipping Across the USA and Internationally
Hall Engine Company offers shipping throughout the United States and to international destinations. Whether your vessel is located in South Florida, elsewhere in the country or outside the United States, our team can help coordinate shipment of available products.
Shipping costs and delivery times depend on the product, destination, carrier and service level. International shipments may be subject to customs requirements, import duties, taxes or brokerage charges. For urgent, oversized or international orders, contact us before completing your purchase so we can review the available options.