Shop

Shop Used Auto Parts

Browse by part, then narrow down by make, model, year, and trim to see only live-priced inventory that fits.

Find quality used engines, transmissions, and other OEM auto parts for your car, truck, SUV, or van. Every part is hand-inspected and backed by warranty from our trusted recycler network.

Start by choosing the part you need, then follow the steps to pick the vehicle it belongs to. As you drill down, we’ll show live products that match your selection.

All listings shown below include real-time pricing (we hide items without a proper price), so you’re always seeing what’s actually available.

Select Year — Sierra 3500 HD · GMC

Available Products

Engine Computer/Control Unit
Engine Computer/Control Unit
GMC Sierra 3500 HD 2007 Compressed Natural Gas (CNG) (Passenger Side front engine compartment)
Engine Computer/Control Unit
Engine Computer/Control Unit
GMC Sierra 3500 HD 2007 Diesel Control classic style (creased door skin) (left hand cylinder head) (glow plug control)
Engine Computer/Control Unit
Engine Computer/Control Unit
GMC Sierra 3500 HD 2007 Diesel Control new style (smooth door skin) (left hand cylinder head) (glow plug control)
Engine Computer/Control Unit
Engine Computer/Control Unit
GMC Sierra 3500 HD 2007 Electronic Control Module classic style (creased door skin) (left hand front under battery) diesel
Engine Computer/Control Unit
Engine Computer/Control Unit
GMC Sierra 3500 HD 2007 Electronic Control Module classic style (creased door skin) (left hand front under battery) gasoline 6.0L
Engine Computer/Control Unit
Engine Computer/Control Unit
GMC Sierra 3500 HD 2007 Electronic Control Module classic style (creased door skin) (left hand front under battery) gasoline 8.1L
Engine Computer/Control Unit
Engine Computer/Control Unit
GMC Sierra 3500 HD 2007 Electronic Control Module new style (smooth door skin) (left hand front under battery) 6.0L
Engine Computer/Control Unit
Engine Computer/Control Unit
GMC Sierra 3500 HD 2007 Electronic Control Module new style (smooth door skin) (left hand front under battery) 6.6L
Engine Computer/Control Unit
Engine Computer/Control Unit
GMC Sierra 3500 HD 2007 Throttle Control (classic style, creased door skin) (left hand firewall)
Engine Computer/Control Unit
Engine Computer/Control Unit
GMC Sierra 3500 HD 2008 Diesel Control (left hand cylinder head) (glow plug control)
Engine Computer/Control Unit
Engine Computer/Control Unit
GMC Sierra 3500 HD 2008 Electronic Control Module (left hand front under battery) 6.0L
Engine Computer/Control Unit
Engine Computer/Control Unit
GMC Sierra 3500 HD 2008 Electronic Control Module (left hand front under battery) 6.6L
Engine Computer/Control Unit
Engine Computer/Control Unit
GMC Sierra 3500 HD 2009 Diesel Control (left hand cylinder head) (glow plug control)
Engine Computer/Control Unit
Engine Computer/Control Unit
GMC Sierra 3500 HD 2009 Electronic Control Module (left hand front engine compartment) 6.0L
Engine Computer/Control Unit
Engine Computer/Control Unit
GMC Sierra 3500 HD 2009 Electronic Control Module (left hand front engine compartment) 6.6L
Engine Computer/Control Unit
Engine Computer/Control Unit
GMC Sierra 3500 HD 2010 Diesel Control (left hand cylinder head) (glow plug control)
Engine Computer/Control Unit
Engine Computer/Control Unit
GMC Sierra 3500 HD 2010 Electronic Control Module (left hand front engine compartment) 6.0L VIN G (8th digit, opt L96)
Engine Computer/Control Unit
Engine Computer/Control Unit
GMC Sierra 3500 HD 2010 Electronic Control Module (left hand front engine compartment) 6.0L VIN K (8th digit, opt LY6)
Engine Computer/Control Unit
Engine Computer/Control Unit
GMC Sierra 3500 HD 2010 Electronic Control Module (left hand front engine compartment) 6.6L (VIN 6, 8th digit, opt LMM)
Engine Computer/Control Unit
Engine Computer/Control Unit
GMC Sierra 3500 HD 2011 SIERRA 3500 PICKUP Diesel Control (Passenger Side cylinder head) (glow plug control)
Engine Computer/Control Unit
Engine Computer/Control Unit
GMC Sierra 3500 HD 2011 SIERRA 3500 PICKUP Electronic Control Module (left hand front engine compartment) 6.0L
Engine Computer/Control Unit
Engine Computer/Control Unit
GMC Sierra 3500 HD 2011 SIERRA 3500 PICKUP Electronic Control Module (left hand front engine compartment) 6.6L
Engine Computer/Control Unit
Engine Computer/Control Unit
GMC Sierra 3500 HD 2011 SIERRA DENALI 3500 Diesel Control (Passenger Side cylinder head) (glow plug control)
Engine Computer/Control Unit
Engine Computer/Control Unit
GMC Sierra 3500 HD 2011 SIERRA DENALI 3500 Electronic Control Module (left hand front engine compartment) 6.0L