

Protect your diesel engine with the Fleetguard FS19764 Fuel Water Separator OEM, engineered for maximum filtration efficiency and long-lasting performance. Designed for Cummins ISX12, ISX15, X12, X15 and Caterpillar C11, C13, C15 engines, this advanced separator removes harmful water and contaminants to keep your fuel system clean and efficient.
Key Features & Benefits:
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Superior Filtration Technology – Multi-layer synthetic coalescing media eliminates up to 95% of free water and harmful micro-contaminants.
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Engine Compatibility – Fits a wide range of Cummins and Caterpillar diesel engines, plus heavy-duty trucks including Freightliner, Peterbilt, International, Spartan Motors, Volvo, and Western Star.
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Durable OEM Design – Built with a patented control valve for extended service intervals.
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Biodiesel Ready – Fully compatible with modern biodiesel fuel blends.
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Enhanced Injector Protection – Extends the life of injectors and secondary filters, reducing costly maintenance.
Technical Specs:
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Height: 178.79 mm (7.093 in)
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Largest OD: 106.93 mm (4.21 in)
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End 1 OD: 16.76 mm (0.66 in)
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End 2 OD: 106.93 mm (4.21 in)
Cross References:
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Baldwin PF46091
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Fleetguard FS17964
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WIX 33964
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NAPA 3964
Why Choose Fleetguard OEM?
Backed by Cummins Filtration’s OEM quality, the FS19764 ensures reliability, longer service life, and optimal fuel system protection—keeping your engine running cleaner, longer.
Thank you for shopping with OEM Auto Source. We want you to be satisfied with your purchase. This Refund & Return Policy explains how returns, exchanges, and refunds work.
Return Window
You may request a return within 14 calendar days of delivery.
Items Eligible for Return
We accept returns for both defective and non-defective items, as long as the item meets the conditions below.
Return Conditions (Required)
To be eligible for a return:
- The return request must be made within 14 days of delivery
- The item must be unused, uninstalled, and in original condition, unless the return is due to defect/damage
- The item must be returned with original packaging, labels, manuals, and all included parts/accessories (when applicable)
- You must provide proof of purchase (order number / invoice)
Non‑Returnable Items
The following items are not eligible for return:
- Gift cards
- Digital products / downloadable software
- Custom, special-order, or made-to-order items
- Items marked Final Sale (if shown on the product page)
- Items not purchased directly from OEM Auto Source
- Any item returned that is used, installed, altered, or missing parts (may be refused or subject to partial refund)
How to Start a Return (RMA Required)
To initiate a return, email us within 14 days of delivery:
Email: contact@oemautosource.com (as currently listed on your policy page)
Phone : +1 7086583472
Include:
- Order number
- Item(s) you want to return
- Reason for return
- Photos/video if the item is defective or damaged
If approved, we will provide a Return Merchandise Authorization (RMA) and return instructions. Returns sent without an RMA may be delayed or refused.
Return Shipping Costs
- Defective / damaged / incorrect item sent: We will provide a prepaid return label (or reimburse reasonable return shipping with proof, if a label can’t be provided).
- Non‑defective return (change of mind, ordered wrong item, no longer needed, etc.): Customer is responsible for return shipping costs.
We recommend using a tracked shipping method. We are not responsible for packages lost in transit.
Restocking Fees (Non‑Defective Returns)
For non-defective returns, we may apply a restocking fee to cover processing and inspection:
- Up to 15% restocking fee may apply (depending on item condition and packaging)
No restocking fee is charged for defective/damaged/incorrect items.
Refunds
Once we receive and inspect your return:
- Inspection time: 2–5 business days (may take longer during peak periods)
- If approved, refunds are issued to the original payment method
- Refund posting time: Please allow 3–10 business days for your bank/card issuer to post the refund
What is refunded:
- Product price (minus any restocking fee if applicable)
- Original shipping charges are not refundable unless the return is due to our error (defective/damaged/incorrect item)
Exchanges / Replacements
If you received a defective, damaged, or incorrect item, we can offer:
- Replacement (if available), or
- Refund
We’ll confirm the best option after reviewing the claim details.
Cancellations
If you contact us quickly, we will do our best to cancel an order before it ships. If the order has already shipped, you may request a return under this policy once delivered.
Contact Information
OEM Auto Source
382 Hanover Ave
Staten Island, NY 10304
United States
Email: contact@oemautosource.com
Phone: +1 7086583472
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,
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 contact@oemautosource.com