Genuine Allison 29541852 Neutral Position Sensor 29541852 NSBU Assembly 29541852.  This is a neutral position sensor for an Allison transmission 1000/2000 lever position sensor.  Fits Chevy and GMC Duramax applications.  Please make sure this is the correct part prior to ordering. 

• Return Policy:  The buyer will have to pay for a return label.  Returns will be accepted within 30 days of purchase.  Electrical parts and/or components will not be accepted and cannot be returned.  Items will have to be returned in the same condition and packaging as they were shipped.  There will be a 20% restocking fee applied to all returned items.  Shipping is non-refundable.