SX-33S9 NATIONAL Rear Engine Crankshaft Seal 3500 Rm

Review NATIONAL Rear Engine Crankshaft Seal For Chevrolet for CHEVROLET SILVERADO 3500 RM 2007–2018

Introducing the National SX-33S9 Rear Engine Crankshaft Seal, an essential component designed specifically for the 2007-2018 Chevrolet Silverado 3500 HD. This premium seal is engineered to provide superior sealing performance and durability, ensuring that your engine operates at peak efficiency.

The SX-33S9 Crankshaft Seal is meticulously crafted from high-quality materials, including a specialized elastomeric compound that offers excellent resistance to oil, coolant, and other harsh engine fluids. This compound also ensures a tight seal, preventing leaks and minimizing the risk of engine damage from contaminated fluids.

The National SX-33S9 seal features a unique design that accommodates the complexities of the rear engine layout in the Chevrolet Silverado 3500 HD. This includes a precision-molded lip that conforms to the contours of the crankshaft, ensuring a perfect seal every time. Additionally, the seal includes a heavy-duty spring that provides the necessary pressure to maintain the seal, even under extreme engine conditions.

Installation of the National SX-33S9 Rear Engine Crankshaft Seal is a straightforward process, making it an ideal choice for DIY enthusiasts and professional mechanics alike. The seal comes complete with all necessary hardware, and the included installation instructions provide clear, step-by-step guidance to ensure a successful installation.

When it comes to maintaining the performance and longevity of your Chevrolet Silverado 3500 HD's engine, trust the expertise of National Sealing Systems. With the SX-33S9 Rear Engine Crankshaft Seal, you're investing in a high-quality, reliable solution that not only meets but exceeds the expectations of even the most demanding drivers.

Buying a National SX-33s9 rear engine crankshaft seal for a 2007-2018 Chevrolet Silverado 3500 is an essential maintenance task to prevent oil leaks and ensure the engine's longevity. Here are some pros and cons to help you make an informed decision:

1. High-quality seal: The National SX-33s9 seal is known for its durability and ability to withstand the harsh conditions of a heavy-duty vehicle's engine.

2. OEM-equivalent: This seal is an OEM-equivalent, meaning it meets or exceeds the original equipment manufacturer's specifications.

3. Leak prevention: A new crankshaft seal can help prevent costly engine damage by stopping oil leaks and ensuring proper lubrication.

4. Easy installation: The seal is relatively easy to install, making it a viable DIY project for those with some mechanical skills.

5. Cost-effective: Compared to dealership prices, buying the seal from an aftermarket supplier like National can save you a significant amount of money.

1. Availability: The National SX-33s9 seal may not be readily available at local auto parts stores, so ordering it online may take some time.

2. Shipping costs: Depending on where you live, shipping costs for the seal can add to the overall price.

3. Installation difficulties: While the installation process is relatively straightforward, some users have reported challenges aligning the seal properly, which can extend the installation time.

In conclusion, the National SX-33s9 rear engine crankshaft seal offers several advantages, such as high quality, OEM-equivalence, and cost-effectiveness, making it a worthwhile investment for Chevrolet Silverado 3500 owners. However, potential drawbacks include availability, shipping costs, and installation challenges. Ultimately, if you're comfortable with a DIY project and willing to wait for delivery, the benefits of this seal outweigh the cons.

If you're in the market for a rear engine crankshaft seal for your 2007-2018 Chevrolet Silverado 3500, the National SX-33s9 is an excellent choice. To ensure a smooth installation process, make sure you follow the instructions provided by the manufacturer carefully and take your time aligning the seal properly. Additionally, consider ordering the seal from a reputable online supplier to save on costs and ensure availability.

Details:

National rear engine crankshaft seal for 2007 - 2018 Chevrolet Silverado 3500 Rm: status: in stock.

specifications differentialsdepo:

• for models: 3500, Rm, Silverado
• for makes: Chevrolet
• for years: 2007–2018
• brand: National
• mpn: Sx-33s9
• placement on vehicle: Engine Gaskets Sealing Systems
• type: Engine Crankshaft Seal
• item length: 5.000
• manufacturer warranty: 1 Year
• ipn: C346 70-7
• compatible model: Silverado 3500 Hd
• compatible year: 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009 2008 2007
• core charge: Free No Core Charge
• position: Rear
• fitment type: Direct Replacement
• bundle description: 1 Pc Genuine National Engine Crankshaft Seal

seller differentialsdepo:

• rating: 98.8%
• # reviews: 558839
• city: indianapolis, indiana

payments differentialsdepo:

• credit card: visa
• wallet: google-pay
• other

general differentialsdepo:

• category: Auto Parts > Transmission Drivetrain > Differentials, Assemblies > Additional

shipping differentialsdepo:

• class: standard, expedited
• service: standard, expedited
• type: fixed
• transit: 4-8 days

returns differentialsdepo:

• policy: returns accepted
• paid by: buyer
• time: 30 days

offer differentialsdepo:

• options: ship-to-home
• started: june 27, 2025
• availability: in stock
• sold #: 17
• in stock #: 2
• prices: $22.62–$28.19
• item condition: New