Engine Computer for 2004 Buick Rainier

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There are 17 choices for the 2004 Buick Rainier Engine Computer !!!
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Electronic Control Module 4.2L (left hand engine)
Electronic Control Module 5.3L (next to air box) ID YFKB
Electronic Control Module 5.3L (next to air box) ID YFKD
Electronic Control Module 5.3L (next to air box) ID YFKF
Electronic Control Module 5.3L (next to air box) ID YFKH
Electronic Control Module 5.3L (next to air box) ID YFKJ
Electronic Control Module 5.3L (next to air box) ID YFKX
Electronic Control Module 5.3L (next to air box) ID YFKY
Electronic Control Module 5.3L (next to air box) ID YFPZ
Electronic Control Module 5.3L (next to air box) ID YFXL
Electronic Control Module 5.3L (next to air box) ID YFXM
Electronic Control Module 5.3L (next to air box) ID YFXN
Electronic Control Module 5.3L (next to air box) ID YFXP
Electronic Control Module 5.3L (next to air box) ID YFYY
Electronic Control Module 5.3L (next to air box) ID YHRA
Electronic Control Module 5.3L (next to air box) ID YHTN
Throttle Control (left hand firewall) (5.3L)