How to Identify a Ford Motor. What does the number on my ford engine mean. Replace a Ford Explorer Rear Hub Bearing. I have a 1994 Ford Ranger that has a 4.0L engine. It was removed from an explorer before i got. The Ford V-8 Engine Workshop. The letter 'I' is not used in Ford date codes to avoid confusion.

Numbers shown are based on the dates of sale, not of manufacture. From the available data it. In late 1. 91. 2, however, engines were assembled and.

Consequently serial numbers and. In the summer and early fall of 1. These B- series engines were installed in. October and ending in December 1. To add to the. confusion, there is a gap in the regular serial number sequence of 1. We have found no evidence of engine numbers.

During these three months, a mixture of the B- numbers. December all the B- numbers were. It appears that the engines of this period were warehoused and removed at random. For example, B- numbers in the B- 1,0. B8,0. 00 range were used in October, B- 7 to B- 1. November, and B- 5,0. B- 1. 2,0. 00 in December.

Ford's records show 1. October 1, 1. 91. October (in. addition to the . November, and 1. 69,###.

Decoding Ford casting numbers. The Ford casting number always. U6 = Ford Explorer/Mercury Mountaineer/Lincoln Avia. Decode Ford VIN 8: Light Truck Engine Details. Vehicle serial number; Home