Array ( [amazon_id] => 49248995 [availability] => 30 [model] => B001CQQ9R4 [name] => Motive Gear GM10-390 Differential Ring and Pinion Set 3.90 Gear Ratio Fits GM 8.5" & 8.625" Fits for Chevrolet, GMC, Cadillac, Buick, Pontiac, Oldsmobile Replaces 2020954, 49-0034-1, YG GM8.5-390 [smallimage] => https://m.media-amazon.com/images/I/41wxZ6phrOL._SL75_.jpg [mediumimage] => https://m.media-amazon.com/images/I/41wxZ6phrOL._SL160_.jpg [largeimage] => https://m.media-amazon.com/images/I/41wxZ6phrOL._SL500_.jpg [additionalimages] => https://m.media-amazon.com/images/I/41aMePuH-CL._SL75_.jpg|https://m.media-amazon.com/images/I/41aMePuH-CL._SL500_.jpg|https://m.media-amazon.com/images/I/411eldIuFkL._SL75_.jpg|https://m.media-amazon.com/images/I/411eldIuFkL._SL500_.jpg|https://m.media-amazon.com/images/I/31+NFZcAweL._SL75_.jpg|https://m.media-amazon.com/images/I/31+NFZcAweL._SL500_.jpg|https://m.media-amazon.com/images/I/51HPwkS1cIL._SL75_.jpg|https://m.media-amazon.com/images/I/51HPwkS1cIL._SL500_.jpg|https://m.media-amazon.com/images/I/61LPhMvymnL._SL75_.jpg|https://m.media-amazon.com/images/I/61LPhMvymnL._SL500_.jpg| [reviewurl] => https://www.amazon.com/reviews/iframe?akid=AKIAJEHZJL5O36COE26Q&alinkCode=sp1&asin=B001CQQ9R4&atag=eshopper0b-20&exp=2019-08-06T06%3A47%3A34Z&v=2&sig=6nQcv6irXtiEicciT9CiKXn7x8PR%252Be5oMF1CvmAJBLc%253D [digitalurl] => [categories] => 3097825011|Differential Rings & Pinions|15723911|Transmission & Drive Train|15719731|Replacement Parts|15690151|Categories|15684181|Automotive [notes] => [accessories] => [attributes] => {"Title":"Motive Gear GM10-390 Differential Ring and Pinion Set 3.90 Gear Ratio Fits GM 8.5\" & 8.625\" Fits for Chevrolet, GMC, Cadillac, Buick, Pontiac, Oldsmobile Replaces 2020954, 49-0034-1, YG GM8.5-390","PackageDimensions":{"Weight":{"_":1778}},"Brand":"Motive Gear","Manufacturer":"Motive Gear","Binding":"Automotive","ProductGroup":"Automotive Parts and Accessories","ItemPartNumber":"GM10-390","Model":"GM10-390","Warranty":"1 Year or 50,000 Miles","ReleaseDate":"2016-01-21T00:00:01Z","Size":"39-10 Teeth, 3.9 Ratio","UnitCount":1,"UPCs":"698231278949","EANs":"0698231278949","Feature":["\u2705 Optimized 3.90 Gear Ratio \u2013 Enhances acceleration, towing capacity, and overall performance for GM vehicles.","\u2705 Durable 8620 Steel Construction \u2013 High-strength material ensures longevity and superior power transfer.","\u2705 Precision Machined for Smooth Operation \u2013 Heat-treated for reduced noise, efficiency, and seamless gear engagement.","\u2705 Direct Fit for GM 8.5\" & 8.625\" Differentials \u2013 Compatible with Chevrolet, GMC, Cadillac, Buick, and more.","\u2705 OEM Quality & 1-Year Warranty \u2013 Designed to meet or exceed factory specifications with a 1-year \/ 50,000-mile warranty."]} [editorialreviews] => Motive Gear Ring and Pinion Engineered. A division of Midwest Truck and Auto Parts, Motive Gear offers the highest quality drivetrain components on the market today. With a broader line of ring and pinion gears than any other aftermarket manufacturer, Motive Gear is the number one choice for distributors world-wide. More than just ring and pinion gears and differential bearing kits, Motive Gear offers a complete line of transmission parts and transfer case parts as well as replacement axle shafts. Along with Motive Gear's performance and axle divisions; Motive Gear Performance and TEN Factory, there simply isn't a better value in drivetrain components. [similarproducts] => [cache_date] => 2025-12-27 21:48:46 [temp_price] => 21308.00 [temp_weight] => 1778.00 [releasedate] => 2016-01-21 [parentasin] => B07HKW83LS [price] => 0.00 [price_date] => 2000-00-00 00:00:00 [weight] => 0 [banned] => 0 [views] => 0 [salesrank] => 184924 [temp_dimms] => 15.5x11x5.25 [nett_weight] => 0.00 [base_category] => Automotive [availability_type] => IN_STOCK_SCARCE [availability_message] => Only 7 left in stock (more on the way). )