This application guide is written for buyers, fleet maintenance teams and parts distributors selecting replacement filters for heavy-duty truck fleets running highway, quarry and regional delivery routes. It focuses on searchable part numbers 1869993, 21834205, FF5687, FS1242. Each model below is linked to its product page so Google and buyers can connect the application article, product details and category pages.
Application Image and Working Conditions
In truck service, filters are exposed to road dust, vibration, fuel contamination and long replacement intervals. The scene image helps connect 1869993, 21834205, FF5687, FS1242 with the real fleet environment where air restriction, fuel cleanliness and water separation affect uptime.

High intake airflow, long idle time, road dust, wet diesel storage and cross-border maintenance make air filtration and fuel-water separation critical.
When a fleet uses mixed brands, the same inquiry often contains OEM numbers, aftermarket cross references and dimensions. A useful SEO application article should therefore combine the part number, the operating environment, image verification points and purchasing notes instead of only repeating a short product description.
Application conditions and filter risks
High intake airflow, long idle time, road dust, wet diesel storage and cross-border maintenance make air filtration and fuel-water separation critical.
- Engine intake protection for Scania and Volvo trucks
- Fuel injector protection for Cummins and fleet diesel engines
- Water separation for wet fuel tanks and long-haul routes
Model comparison for purchasing and maintenance
| Product | Category | Key specification | Useful cross references | Recommended use |
|---|---|---|---|---|
| 1869993 Scania Air Filter Element 1869993 | Air Filter - Engine | Overall Length 456 mm (17.95 inch) Outer Diameter 304 mm (11.97 inch) Inner Diameter 169 mm (6.65 inch) Length 411 mm (16.18 inch) | 99.7% | Scania 1869993, SCANIA 1870002, Scania 1869995, Fleetguard AF27940 | Engine intake protection for Scania and Volvo trucks |
| 21834205 VOLVO Air Filter Element 21834205 | Air Filter - Engine | Outer Diameter 331.5 mm (13.05 inch) Inner Diameter 210.5 mm (8.29 inch) Length 392 mm (15.43 inch) | 97% | DAF TRP 1533904, RENAULT 7421243188, VOLVO 21243188, VOLVO 21115483 | Fuel injector protection for Cummins and fleet diesel engines |
| FF5687 Fleetguard Fuel Filter FF5687 | Fuel Filter | OD: 91mm Thread Size: M72 x 2 L: 229mm Gasket OD: 95mm Gasket ID: 79mm | 99% against 8 micron% | Donaldson P552200, Cummins 4960198, Cummins 5472312, Cummins 5666318 | Water separation for wet fuel tanks and long-haul routes |
| FS1242 Fleetguard Fuel Filter Water Separator Element FS1242 | Water Separator Filter | OD: 94 mm Thread Size: 1-14 UN L: 156 mm Gasket OD: 71 mm Gasket ID: 62.5 mm Bowl Thread: 1 1/4-10 UN | 96 (15 microns)% | Donaldson P551864, Baldwin BF1249, Baldwin BF1249-SP, Wix 33242 | Water separation for wet fuel tanks and long-haul routes |
Product images and identification points
Use the images below to verify media shape, end-cap layout, gasket position and thread or sealing details before placing a bulk order.




Model-by-model selection notes
The notes below explain how each selected model fits the application and which details should be confirmed before quotation.
Scania Air Filter Element 1869993 1869993
1869993 is selected here for Engine intake protection for Scania and Volvo trucks. Important confirmation data: Overall Length 456 mm (17.95 inch) Outer Diameter 304 mm (11.97 inch) Inner Diameter 169 mm (6.65 inch) Length 411 mm (16.18 inch), filtration efficiency 99.7%, replacement interval 60,000 km. Cross references to verify include Scania 1869993, SCANIA 1870002, Scania 1869995, Fleetguard AF27940.
MOQ: 100 pcs. Delivery: 15 days. Packaging: Moisture-proof bag+Cardboard box.
VOLVO Air Filter Element 21834205 21834205
21834205 is selected here for Fuel injector protection for Cummins and fleet diesel engines. Important confirmation data: Outer Diameter 331.5 mm (13.05 inch) Inner Diameter 210.5 mm (8.29 inch) Length 392 mm (15.43 inch), filtration efficiency 97%, replacement interval 60,000 km. Cross references to verify include DAF TRP 1533904, RENAULT 7421243188, VOLVO 21243188, VOLVO 21115483.
MOQ: 100 pcs. Delivery: 15 days. Packaging: Moisture-proof bag+Cardboard box.
Fleetguard Fuel Filter FF5687 FF5687
FF5687 is selected here for Water separation for wet fuel tanks and long-haul routes. Important confirmation data: OD: 91mm Thread Size: M72 x 2 L: 229mm Gasket OD: 95mm Gasket ID: 79mm, filtration efficiency 99% against 8 micron%, replacement interval 60,000 km. Cross references to verify include Donaldson P552200, Cummins 4960198, Cummins 5472312, Cummins 5666318.
MOQ: 100 pcs. Delivery: 15 days. Packaging: Moisture-proof bag+Cardboard box.
Fleetguard Fuel Filter Water Separator Element FS1242 FS1242
FS1242 is selected here for Water separation for wet fuel tanks and long-haul routes. Important confirmation data: OD: 94 mm Thread Size: 1-14 UN L: 156 mm Gasket OD: 71 mm Gasket ID: 62.5 mm Bowl Thread: 1 1/4-10 UN, filtration efficiency 96 (15 microns)%, replacement interval 60,000 km. Cross references to verify include Donaldson P551864, Baldwin BF1249, Baldwin BF1249-SP, Wix 33242.
MOQ: 200 pcs. Delivery: 15 days. Packaging: Moisture-proof bag+Cardboard box.
Procurement checklist
- Confirm the OEM number, cross reference and current sample dimensions before ordering.
- Check the filter category and media requirement: air intake, fuel, water separator, hydraulic or air-oil separator.
- For dusty or high-hour equipment, keep replacement stock before the service interval instead of waiting for failure.
- Ask for moisture-proof packaging, carton quantity and sample lead time when comparing suppliers.
- Keep product page links in RFQs so part numbers, images and specifications stay unambiguous.
Related products and categories
- Scania Air Filter Element 1869993 1869993
- VOLVO Air Filter Element 21834205 21834205
- Fleetguard Fuel Filter FF5687 FF5687
- Fleetguard Fuel Filter Water Separator Element FS1242 FS1242
- Heavy-Duty Truck Filter Guide: Scania 1869993, Volvo 21834205, Fleetguard FF5687 and FS1242 application page
- air filter engine
- fuel filter
- water separator filter
FAQ
Why include model numbers in an application article?
Model numbers are how buyers search. Including the exact part number, category, cross reference and operating condition helps the page answer long-tail Google searches.
Should I choose by OEM number or dimension?
Use the OEM or trusted cross reference first, then confirm dimensions, sealing structure and installation direction against the removed sample.
Can these filters be ordered together?
Yes. Mixed cartons are practical when a distributor serves one application segment and needs air, fuel, hydraulic or separator filters in the same shipment.
Related Application Guides
Sinotruk HOWO Fuel Filter and Water Separator Guide: FF5629, FS20190, FS36277 and FS36259 / Sinotruk HOWO Aftermarket Filter Kit Guide: R005061, FF5629, FS20190 and FS36277 / High Dust-Holding Truck Air Filter Guide: R005061, 1869993, 21834205, AF56500




