AT444141: Exhaust Pipe, Decomposition Tube

Part Number: AT444141

Parts Tier: Original

John Deere DEF decomposition tube for SCR emissions system helps convert DEF into ammonia to support emission reduction needs
This tube directs exhaust gases efficiently within the SCR system, supporting consistent engine performance during operation
Durable construction is designed to resist high temperatures and corrosion, helping this component withstand harsh exhaust environments
Integration as an auxiliary engine part allows this product to support critical functions across compatible equipment systems
Low-maintenance design helps extend service life and reduce replacement frequency for dependable long-term value

Product Details

Product Dimensions

Weight

19.59 lb

Height

6.5 in

Width

13 in

Length

32.5 in

Compatible Equipment

For the most accurate fit and confidence, please select the equipment you are shopping for. Parts can be used across a number of different models, the models shown here indicate general fit of the part.

640L
640L-II
640L-III
643L
643L-II
643L-III
648L
648L-II
748L
748L-II
748L-III
843L
843L-II
843L-III

Return Details

Return Information

Return Items identified as ‘Eligible for Return’ are eligible for refund within 30 days of invoicing. Returned Items must be returned in new condition and in its original packaging with all paperwork including manuals, assembly instructions and your packing slip. Parts must be returned to the seller listed on your e-commerce invoice. Return eligibility & processing will be verified by the dealer at time of return. View Return Policy for complete information.

Warranty Information

Generally, parts purchased from Shop.Deere.com are covered by the John Deere Parts Warranty, covering defects in material and workmanship, for a minimum period of 6 months from receipt. For complete warranty information, please contact your local authorized John Deere dealer.