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What size rear end is in a 2004 Chevy Silverado?

The 2004 Chevy Silverado typically came equipped with a 8.5-inch or 9.5-inch rear axle, depending on the specific model and configuration. The rear axle size is an important factor in determining the truck's towing capacity, payload, and overall performance.


Rear Axle Sizes for the 2004 Chevy Silverado


The 2004 Chevy Silverado was available with several different rear axle options, depending on the trim level and engine configuration. The most common rear axle sizes were:



  • 8.5-inch rear axle: This was the standard rear axle size for the base model Silverado and some mid-level trims. It was suitable for light-duty towing and hauling.

  • 9.5-inch rear axle: This larger rear axle was typically found in the higher-end Silverado models, as well as those equipped with the larger V8 engines. The 9.5-inch rear axle provided increased towing and payload capacity.li>

The rear axle size was an important consideration for Silverado buyers, as it directly impacted the truck's capabilities. Choosing the right rear axle size was crucial for matching the vehicle's intended use, whether for light-duty work, heavy-duty towing, or off-road adventures.


Determining the Rear Axle Size


To determine the specific rear axle size in a 2004 Chevy Silverado, you can check the vehicle's identification number (VIN) or consult the owner's manual. The rear axle size may also be stamped on the rear differential housing or listed on the vehicle's data plate.


Knowing the rear axle size is important for selecting the right replacement parts, such as differential gears, bearings, and axle shafts, if maintenance or upgrades are needed. It's also a key factor in understanding the truck's overall capabilities and performance characteristics.

What size rear differential is in a 2004 Chevy Silverado?


NuTech Differential RAXP1955D
Notes: Rear, Drive Axle Assembly. With 8.625 Ring Gear. With 4.1 Gear Ratio.



What is the difference between 10 bolt and 12 bolt Chevy rear end?


I was ready. 12. Super easy two bolts at the bottom. 12 bolt say that he's one bolt. At the bottom 10 bolt two bolts in the bottom totals okay glance you know steadfast.



How much can a 2004 Chevrolet Silverado 1500 Z71 engine 5.3 L V8 tow?


8,500 lbs.
Towing & Hauling

Max Towing Capacity8,500 lbs.
Max Payload Capacity1,756 lbs.



What gear ratio is a 2004 Chevy Silverado 1500?


This model you have to find the RPO code in the glove box sticker. You're looking for GT3=3.42 GT4=3.73 GT5=4.10.



How do I tell what size my Chevy rear end is?


Identify your GMC or Chevrolet rear end gear ratio by the RPO Codes, usually located on the placard labeled “Service Parts Identification” inside the drivers door panel or glove box. Note that using the RPO code for parts identification assumes that the rear end has not been previously modified!!



What is the rear axle ratio of a Silverado 1500?


Axle Ratio Options
Depending on which cab, bed, and engine configurations you choose, you can get either 3.23 or 3.42 rear axle ratio.



How do I know what size axle my truck has?


To determine the axle ratio of your vehicle, locate the two-digit axle code first, then use your vehicle's towing guide to find the axle ratio that corresponds to that code. If your vehicle has a limited-slip differential, it will be noted as Limited Slip.



What size is the rear axle on a Chevy Silverado 1500?


9.76-inch rear axle. 3.42 axle ratio (gas engine), 3.73 axle ratio (diesel engine)



What size is a Chevy 12-bolt rear end?


8.875-inch
12-Bolts to Glory The GM 12-bolt debuted in 1965 and was mass-produced until 1972. It features an 8.875-inch ring-gear carrier held in place with two internal main caps. The pinion gearshaft measures 1.625 inches in diameter and is shimmed to achieve the proper pinion depth.



What is the gear ratio of a 2004 4L60E?


The gear ratios for the 4L60E are: 1: 3.059. 2: 1.625. 3: 1.00.


Kevin's Auto

Kevin Bennett

Company Owner

Kevin Bennet is the founder and owner of Kevin's Autos, a leading automotive service provider in Australia. With a deep commitment to customer satisfaction and years of industry expertise, Kevin uses his blog to answer the most common questions posed by his customers. From maintenance tips to troubleshooting advice, Kevin's articles are designed to empower drivers with the knowledge they need to keep their vehicles running smoothly and safely.