Detroit One Box Service Kit (DD13 / DD15) - Replaces A6809950202 & A6809950302

If you are servicing the heavy-duty aftertreatment system on your Freightliner, this complete Detroit One Box Service Kit provides everything you need for a secure, leak-free installation. Engineered specifically for Detroit Diesel DD13 and DD15 engines, this premium package includes the exact clamps and gaskets required to properly seal your One Box exhaust setup. Whether you are searching by OEM part number or upgrading your current emissions hardware, this direct-fit Detroit One Box Service Kit is the exact solution to keep your truck compliant and running smoothly. We stock these heavily right here in our Hanover Park, Illinois warehouse to ensure lightning-fast shipping for owner-operators and fleets across the Midwest and nationwide.

Restore Exhaust Integrity: The Detroit One Box Service Kit Advantage

An exhaust leak at the DPF or One Box can cause reduced engine performance, forced regens, and severe emissions compliance issues. This Detroit One Box Service Kit is stringently tested for OEM-level durability and functionality to withstand the extreme temperatures and pressures of your Detroit aftertreatment system. Note: It is fully approved for horizontal, vertical, and dual installations, providing unmatched versatility for your specific Freightliner exhaust configuration. By including the specific 10.5" and 10.59" ID clamps along with the matching gaskets, this kit eliminates the guesswork of sourcing individual parts.

At FleetPro, we specialize in high-quality emissions components that offer a perfect alternative to expensive dealer parts without sacrificing durability. This comprehensive service kit serves as a direct interchange for major OEM numbers including A6809950202, A6809950302, and A6804910480. Don't risk downtime or a failed DOT inspection due to worn-out exhaust hardware; invest in a complete, professional-grade sealing solution designed specifically for your Detroit DD13 or DD15 engine.

⚠️ IMPORTANT FITMENT NOTICE: Please check your OEM part numbers and measurements before ordering! This kit ONLY fits Detroit engines matching the OEM numbers listed below. We do not pay return shipping for parts ordered incorrectly.

Vehicle Fitment & Compatibility

This One Box hardware kit is a guaranteed fit for the following applications (Must match OEM number):

• Engine Make: Detroit Diesel
• Engine Models: DD13 / DD15
• Application: "One Box" DPF / Aftertreatment Systems
• Mounting: Approved for Horizontal, Vertical, and Dual setups

What's Included in the Kit?

This complete 8-piece service kit includes the following exact-fit replacements:

• 2 x Gaskets: Replaces OEM A6804910480
• 2 x Gaskets: Replaces OEM A4709971245
• 2 x Clamps: Replaces OEM A6809950302 (Inside Diameter: 10.59")
• 2 x Clamps: Replaces OEM A6809950202 (Inside Diameter: 10.5")

Direct Replacement for OEM Part Numbers:

• Detroit Diesel OEM: A6809950202, A6809950302, A6804910480, A4709971245, A0004902241, DAW21DD15KIT
• Volvo Truck Cross-Reference: 21DD15KIT, VOL21DD15KIT, VOL-21DD15KIT
• Newstar Cross-Reference: S-29104, S29104