Fleetguard CV50634 Crankcase Ventilation Filter OEM Cummins ISX ISM

Fleetguard CV50634 Crankcase Ventilation Filter — Genuine OEM Impactor Element for Cummins ISX & ISM Heavy-Duty Diesel Engines

The Fleetguard CV50634 is a genuine Cummins Filtration crankcase ventilation (CCV) filter element with patented impactor technology, designed for Cummins ISX and ISM heavy-duty diesel engines in Class 8 trucks. This high-efficiency breather element separates aerosolized engine oil and crankcase blow-by particulates before they route back through the intake system, protecting your turbocharger and intercooler from oil fouling while reducing crankcase emissions.

The CV50634 features Fleetguard's patented impactor variable unit design — a multi-stage filtration system that uses inertial separation to capture oil aerosol droplets with superior efficiency compared to conventional breather elements. The dual cylindrical filter media with molded support frame and perimeter sealing gaskets ensures a factory-correct fit in the crankcase ventilation housing on Freightliner, Kenworth, Peterbilt, International, Western Star, Volvo, Mack, and Oshkosh trucks powered by Cummins ISX and ISM engines.

The CV50634 is interchangeable with the CV50633 (earlier revision) and replaces multiple older Fleetguard part numbers including CV50617, CV50031, CV50601, and CV50607.

What's Included

1x Fleetguard CV50634 Crankcase Ventilation Filter Element Assembly — includes dual cylindrical filter media, molded support frame, and 2 attached perimeter sealing gaskets. Ready for installation.

Vehicle Compatibility

Truck Brand	Models	Years
Freightliner	Cascadia, Coronado, CC122, CC132	2008-2013+
Kenworth	C500, T660, T680, T700, T800, W900	2008-2013+
Peterbilt	320, 357, 365, 367, 384, 386, 387, 388, 389, 579, 587	2008-2013+
International / Navistar	ProStar, LoneStar, PayStar, 9900i	2008-2012+
Western Star	4700, 4800, 4900, 6900	2009-2013+
Volvo	VNL Series (with Cummins ISX)	2008-2013+
Mack	Pinnacle, Granite (with Cummins ISX)	2008-2013+
Oshkosh	Various (with Cummins ISX)	2008-2011+
Spartan Motors	Various chassis	2013+
American LaFrance	Various	2008-2011

Compatible Engines: Cummins ISX 15.0L, ISX12, ISM

Important: This filter is for Class 8 heavy-duty trucks with Cummins ISX/ISM engines. It is NOT for RAM pickup trucks — RAM pickups with the 6.7L ISB Cummins use the CV52001 (also available in our store). Verify your crankcase ventilation housing configuration before ordering — fitment varies by engine serial number and emissions configuration.

Technical Specifications

Specification	Value
Part Number	CV50634 (also CV5063400, CV5063400MF)
Brand	Fleetguard (Cummins Filtration)
Filter Type	Crankcase Ventilation Filter — Impactor Variable Unit
Technology	Patented Impactor Inertial Separation
Filter Media	Dual Cylindrical High-Efficiency Media
Construction	Molded support frame with perimeter sealing gaskets
Dimensions	282.6 x 227.0 x 67.5 mm (11.13 x 8.94 x 2.66 in)
Gaskets	2 Attached
Compatible Engines	Cummins ISX, ISM
Cummins OEM Number	4312013 (primary)
Interchangeable With	CV50633
Replaces	CV50617, CV50031, CV50601, CV50607

Cross-Reference Part Numbers

Cross-Reference	Brand
4312013	Cummins (primary OEM)
4312011	Cummins
3685528	Cummins
3683918	Cummins
3691476	Cummins
3691687	Cummins
CV50633	Fleetguard (interchangeable)
CV50617	Fleetguard (superseded)
CV50031	Fleetguard (superseded)
CV50601	Fleetguard (superseded)
CV50607	Fleetguard (superseded)
CV50633FLG	Fleetguard (alternate)
CV15000	Baldwin
WS10124	Wix
904-7904	Dorman
99340	—
220124	—
CB57	—
SAO16889	—
SBL88055	—
45VH04	—

CV50634 vs CV52001 — Which One Do You Need?

Feature	CV50634 (This Product)	CV52001 (Also in Our Store)
Engine	Cummins ISX, ISM (heavy-duty)	Cummins ISB 6.7L, B6.7 (pickup)
Trucks	Freightliner, Kenworth, Peterbilt, International, Western Star	Dodge RAM 2500, 3500, 4500, 5500
Dimensions	282.6 x 227.0 x 67.5 mm	Smaller — pickup truck housing
Cummins OEM	4312013	4936636
Mopar Cross-Ref	N/A	68002433AA, 68002433AB
Application	Class 8 heavy-duty trucks	Light/medium-duty RAM pickups

These are NOT interchangeable. The CV50634 will not fit a RAM pickup truck, and the CV52001 will not fit a Class 8 truck.

When to Replace

Replace at scheduled maintenance intervals — typically every 250,000-500,000 miles or when crankcase pressure exceeds specifications, oil consumption increases noticeably, or the low-power/high-crankcase-pressure fault codes appear. A clogged crankcase filter causes excessive crankcase pressure, leading to oil leaks at seals and gaskets, increased oil consumption, and reduced turbocharger performance.

Why Choose Genuine Fleetguard CV50634?

The CV50634's patented impactor technology provides superior aerosol separation compared to aftermarket breather elements. Cheap aftermarket CCV filters may allow oil aerosol to pass through to the intake, fouling the turbocharger and intercooler over time. Oil buildup in the intercooler reduces cooling efficiency and can cause detonation under load. The genuine Fleetguard impactor design uses inertial separation — a technology exclusive to Fleetguard — that captures oil droplets without restricting crankcase airflow. On Cummins ISX engines where turbo replacement costs $2,000-$4,000+, genuine Fleetguard crankcase filtration is essential preventive maintenance.

Shipping Policy

Please carefully review our Shipping Policy when purchasing our products, as it applies to any order you place with us.

WHAT ARE MY SHIPPING & DELIVERY OPTIONS?

Logistics: UPS, USPS, DHL.

We offer free shipping across the USA.

All delivery times and dates provided are estimates and given in good faith.

For EU and UK consumers: This does not affect your statutory rights. Unless specifically noted, estimated delivery times reflect the earliest available delivery, and items will be delivered within 30 days after we accept your order. For more information, please refer to our Terms.

ORDER PROCESSING TIME

Processing Time: 1-2 Days
Shipping Time: 3-7 Days

DO YOU DELIVER INTERNATIONALLY?

Yes, we ship worldwide.

Note:
International deliveries may be subject to various rules and restrictions, and you may incur additional taxes and duties beyond our control. You are responsible for complying with the laws of your country and for any associated costs.

WHAT HAPPENS IF MY ORDER IS DELAYED?

If your delivery is delayed, we will inform you as soon as possible and provide a revised estimated delivery date.

For EU and UK consumers: This does not affect your statutory rights. For more information, please refer to our Terms.

QUESTIONS ABOUT RETURNS?

If you have questions about returns, please review our Return Policy.

COVID-19 STATEMENT & SHIPPING DELAYS

Please be aware that there may be shipping delays due to ongoing COVID-19 impacts. Limited transportation availability may extend delivery times. Our team is doing our best to provide accurate timelines, but the global supply chain is unpredictable, and delays may occur. We appreciate your patience and understanding during this time and are happy to assist with any questions or concerns regarding your orders.

HOW CAN YOU CONTACT US ABOUT THIS POLICY?

If you have any further questions or comments, please contact us at our Support Center.

Thank you for choosing PEAK PERFORMANCE Filters. We hope you are satisfied with your order. However, if you are not completely happy due to any damaged or missing parts, you may return the item for a refund or replacement. Please see below for more information on our return policy.

RETURNS

To be eligible for a refund, you must return the product within 14 calendar days of your purchase. The item must be in the same condition you received it and undamaged. All orders are final; we do not accept returns or exchanges unless the items received are damaged or missing.

We are not liable for any consequences arising from customers purchasing products from us and subsequently selling them on third-party platforms (Amazon, eBay, Walmart, etc.). Any actions taken by these platforms, including listing deactivation or account suspension, are beyond our control. Customers engaging in such activities do so at their own risk and should adhere to the policies and guidelines of those platforms.

RETURN PROCESS

To return an item, please contact customer service to request a refund or replacement with proof of damage or missing parts (such as videos or pictures). Once your claim is verified, contact support to obtain a return address. Securely package the item in its original packaging and include your proof of purchase (Order Invoice). When a return is authorized, PEAK PERFORMANCE Filters will proceed with the refund or replacement.

In some cases, your return shipment may be free of charge. If you return an item for a reason not related to our error, the parcel will be sent back to your original address, and no refund will be initiated.

REFUNDS

After we receive your return and inspect the item, we will process your refund or exchange. Please allow at least 14 days from the receipt of your item for processing. Refunds may take 1-2 billing cycles to appear on your credit card statement, depending on your card issuer. We will notify you via email when your return has been processed.

EXCEPTIONS

The following items cannot be returned or exchanged:

Perishable items
Intimates
Gift cards
Custom items
Digital products

For defective or damaged products, please contact us using the details below to arrange a refund or exchange.

QUESTIONS

If you have any questions regarding our return policy, please contact us at our Support Center.

peakperformancefilters@gmail.com

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WHAT ARE MY SHIPPING & DELIVERY OPTIONS?

ORDER PROCESSING TIME

DO YOU DELIVER INTERNATIONALLY?

WHAT HAPPENS IF MY ORDER IS DELAYED?

QUESTIONS ABOUT RETURNS?

COVID-19 STATEMENT & SHIPPING DELAYS

HOW CAN YOU CONTACT US ABOUT THIS POLICY?

RETURNS

RETURN PROCESS

REFUNDS

EXCEPTIONS

QUESTIONS

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WHAT ARE MY SHIPPING & DELIVERY OPTIONS?

ORDER PROCESSING TIME

DO YOU DELIVER INTERNATIONALLY?

WHAT HAPPENS IF MY ORDER IS DELAYED?

QUESTIONS ABOUT RETURNS?

COVID-19 STATEMENT & SHIPPING DELAYS

HOW CAN YOU CONTACT US ABOUT THIS POLICY?

RETURNS

RETURN PROCESS

REFUNDS

EXCEPTIONS

QUESTIONS

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