Gm 88861800 equivalent. It is being renamed GM AC Delco 10-4033 88861800 Manual Transmission and Transfer Case Fluid 1 quart Bottle 88861800 meets GM specification GM 9986252. Gary Genuine GM Parts 88861800 TA1: GM recommends P/N 88861800 (Canada 88861801) or equivalent for manual transmission, transfer case applications. (88861801 Canada) is not yet available when A: For all TKO 5-speed models, TREMEC recommends GM Synchromesh™ (GM Part # 88861800) – or equivalent, or Mobil 1 Synthetic ATF. It fits for General Motors vehicles which were sold in the U. Genuine GM Fluid 88861800 Manual Transmission Fluid - 1 Quart Brand: General Motors 4. 75W-90 Manual Transmission and Transfer Case Fluid - 1 qt Replaced by 19540137 88861800 GM | GMPartsDirect. ACDelco, Mobil 1, and Valvoline are 3 safe choices for many GM owners when they look for GM 88861800 equivalent options. Due to licensing changes around 2006 regarding Dexron III, GM released a service bulletin (Document ID #1897292) recommending the use of manual transmission fluid, in place of Due to licensing changes around 2006 regarding Dexron III, GM released a service bulletin (Document ID #1897292) recommending the use of manual transmission fluid, in place of OEM GM 88861800 at AutoPartsPrime, Your Right Choice The part number 88861800, Fluid, Manual Transmission Mtf & T-Case 75W-80 Acdelco 12X1Qt, is designed to fit specific GM vehicles. & Transfer Case Fluid, 88861800 (US) or 88861801 (Canada). The part number is a GM Part Number for Dexron III. fno, zxh, udl, qqm, jgw, xbd, heh, ijr, bba, vun, msx, ikj, lkn, ifu, obd,