Engine Identification
Engine code letter is suffix of engine Identification Number. Number is on a label on rear of left valve cover.
ENGINE IDENTIFICATION CODES
| Application |
Code |
| 6.2L (381") Diesel |
TXA, TXB, TXF, TXH, TXM, TXR |
| TXS, TXT, TXU, TXW, TXX, TXY, TXZ |