Pay in 4 interest-free payments of $17.50 Learn more
Ships within 48 hours · Estimated delivery Sep 24 - Sep 29
Verify your truck's SCR module and DEF filter housing before ordering to confirm fitment
Sends coolant temp signal to the DDEC ECM for fueling
376 (1988–1999)
Freightliner Business Class M2 / FL70 with Cat 3126B / C7 (1998–2009)
Also known as: Fleetguard LF16226 (cross-listed sibling)
OTR PTAC7166 A/C Receiver Dryer │ Replaces Mack 221RD335 detroit diesel Verify your truck's SCR moduleOTR PTAC7166 A C Receiver Dryer Attribute Specification Part Number PTAC7166 Diameter 3 inches (75 mm) Length 10 inches (255 mm) Inlet Type 3 8" Male O Ring (#6) Outlet Type 3 8" Male O Ring (#6) Switch Port M10 x 1. 25 mm (Top) Pressure Relief Valve Top Sight Glass Location Top Refrigerant Compatibility R12 R134a Cross Reference Part Numbers Mack: 221RD335, 82781567 MEI Air Source: 07 1205G, 7166 Red Dot Corp: RD5 8241 0P Prima Tronics: PTAC7166
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