This water separator pairs primarily with Cummins 4B / 4BT (3.9L) and 6B / 6BT / 6BTA (5.9L) diesel engines, alongside some C-series (8.3L) industrial variants.
Product Detail
Fleetguard Spin on Fuel Water Separator Canister FS1280
Reference price only. Final pricing depends on quantity, packaging, destination, and trade terms.
Send model or photo
Share the current number or product image.
Verify fitment
We check specifications and application.
Confirm the quote
Agree sample, packaging, lead time and price.

Buyer decision support
Cross-reference check
Treat 3930942, 3890706, 6732716120, and J930942 as reference numbers, then confirm dimensions, sealing, thread, flow direction, and service interval before replacement.
OEM and private-label supply
For FS1280, Precise can discuss samples, stable production, packaging, labeling, and OEM/private-label requirements from MOQ 100 pieces.
Information to send
Send the current part number, product photos, dimensions or drawings, Dimensions, Weight, Emulsified Water Separation, and Replacement Interval, quantity, destination market, and packaging request to speed up verification.
Technical Specifications
| Parameter | Value |
|---|---|
| Dimensions | Thread Size: 13/16-18 UNS-2B OD: 93.8mm L: 164.9mm |
| Weight | 0.58 kg |
| Emulsified Water Separation | 90% |
| Replacement Interval | 500 |
| Filter Media Brand | H&V; Ahlstrom |
| Packaging | Moisture-proof bag+Cardboard box |
| Filtration Efficiency | 96 (18 micron)% |
Cross Reference Numbers
This filter is compatible with the following OEM and aftermarket part numbers.
Frequently asked questions
- What is the Precise FS1280 Water Separator Filter?
- Precise FS1280 is a heavy-duty Water Separator Filter engineered to OEM-quality standards as a direct replacement. It is built to match the original dimensions, fit and filtration performance for a no-modification interchange.
- What does Precise FS1280 cross-reference to?
- Precise FS1280 cross-references to 3930942, 3890706, 6732716120, and J930942, among others. Send us any reference number and we will confirm the exact match.
- What are the specifications of Precise FS1280?
- Key specifications of Precise FS1280: Dimensions: Thread Size: 13/16-18 UNS-2B OD: 93.8mm L: 164.9mm, Weight: 0.58 kg, Emulsified Water Separation: 90%, Replacement Interval: 500, Filter Media Brand: H&V; Ahlstrom. Always confirm these against your machine and operating conditions before ordering.
- What is the minimum order quantity and lead time for Precise FS1280?
- Precise FS1280 ships at a minimum order quantity of 100 pieces, with distributor and fleet pricing and lead time on request. Contact us with the part number for a quote.
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