DORMAN 926-161 Lower Radiator Hose Ring Select 15792831

( Brand: Dorman ), ( Manufacturer Part Number: 926-161 ), ( Part Type: Ring Radiator Hose ), ( Ipn: 15792831 ), ( Country Of Origin: Viet Nam )

Review DORMAN Lower Radiator Hose O ring Select Chevrolet Gmc Model's fits 2001–2007

The **Dorman 926-161 Lower Radiator Hose O-Ring** is a precision-engineered sealing component designed exclusively for select **2001 2007 Chevrolet and GMC** vehicles, ensuring a secure and leak-free connection between the lower radiator hose and the radiator or cooling system components. Crafted from high-quality **nitrile rubber**, this o-ring delivers exceptional durability and resistance to heat, oil, and coolant degradation, making it ideal for high-performance and daily-drive applications alike. Its **perfectly sized 161mm (6.34-inch) diameter** guarantees a snug, interference-free fit on the specified radiator flange, preventing coolant leaks that could lead to overheating, engine damage, or costly repairs. Engineered to meet or exceed OEM specifications, this o-ring is compatible with a range of **LS-series engines**, including those found in the **Cavalier, Cobalt, HHR, Trailblazer, Envoy, Yukon, and Silverado** models, ensuring reliable performance under demanding conditions. Whether you're performing routine maintenance, addressing a coolant leak, or upgrading your cooling system, the **Dorman 926-161** provides a dependable, long-lasting seal that maintains optimal engine temperature and system integrity. Trusted by mechanics and DIY enthusiasts for its **consistent quality and ease of installation**, this o-ring is a must-have replacement part for anyone seeking a hassle-free solution to radiator hose issues.

### Pros and Cons of buying a Dorman 926-161 Lower Radiator Hose O-Ring for Select 2001 2007 Chevrolet/GMC Vehicles

1. **Compatibility and Fit** The Dorman 926-161 is specifically designed for select 2001 2007 Chevrolet and GMC models, ensuring a proper fit without modification. This reduces the risk of leaks or improper installation compared to generic or aftermarket alternatives.

2. **Quality and Durability** Dorman is a well-known brand under the Carter brand group, which is trusted for automotive parts. Their o-rings are typically made from high-quality rubber compounds that resist heat, oil, and coolant degradation, extending the lifespan of the hose connection.

3. **Easy Installation** O-rings are simple to replace, requiring only basic tools (socket wrench, pliers, and possibly a coolant drain). The part is small and straightforward, making it a quick DIY fix for those comfortable with basic mechanical work.

4. **Prevents Leaks** A failing or missing o-ring is a common cause of coolant leaks at the radiator hose connection. Replacing it promptly can prevent engine overheating, coolant loss, and potential damage to the water pump or radiator.

5. **Affordable Cost** Compared to labor costs at a dealership or shop, purchasing the part yourself and installing it is significantly cheaper. The price point is reasonable for a high-quality, OEM-equivalent replacement.

6. **Widely Available** Dorman parts are stocked at most auto parts stores (AutoZone, O Reilly, Advance Auto, etc.), online retailers (Amazon, RockAuto, Dorman s website), and dealerships. This makes it easy to source without long waits.

7. **OEM-Level Performance** While not an exact OEM part (which would be a genuine GM o-ring), Dorman parts are engineered to meet or exceed factory specifications, ensuring reliable performance.

---

1. **Potential for Counterfeit Parts** Like many aftermarket or OEM-equivalent parts, there is a risk of purchasing counterfeit Dorman parts, especially from third-party sellers. These may fail prematurely or not fit correctly. Always buy from reputable sources (authorized dealers, trusted online retailers, or well-known stores).

2. **Limited Lifespan Compared to Hoses** O-rings are consumable parts that wear out over time due to heat, coolant exposure, and vibration. While they last longer than some generic o-rings, they may still need replacement every few years or after major coolant system work (e.g., flushing the system).

3. **Requires Draining Coolant** To replace the o-ring, you ll need to drain some or all of the coolant from the system, which adds a small amount of work. If you re not comfortable with this, you may need to pay for professional assistance.

4. **Not a Permanent Fix for Underlying Issues** If the leak persists after replacing the o-ring, the issue may lie elsewhere (e.g., a cracked hose, faulty clamp, or damaged radiator connection). The o-ring replacement is a symptom fix, not always a root cause solution.

5. **Size and Model Specificity** While the 926-161 is designed for select models, there are multiple o-ring sizes and styles for different Chevrolet/GMC applications. Double-checking your vehicle s exact application (e.g., 3.4L V6, 4.3L V6, or 5.3L V8) ensures you get the correct part. Mixing up sizes can lead to leaks or installation difficulties.

6. **Potential for Over-Tightening** If the hose clamp is tightened too much during installation, it can crush the o-ring, leading to leaks or premature failure. Proper torque and technique are necessary.

---

The Dorman 926-161 lower radiator hose o-ring is a **reliable, cost-effective, and easy-to-install solution** for preventing leaks at the radiator connection in select 2001 2007 Chevrolet and GMC vehicles. Its compatibility, durability, and availability make it a strong choice for DIY enthusiasts or those looking to avoid dealership prices. However, the risk of counterfeit parts, the need to drain coolant, and the possibility of underlying issues not being addressed are minor drawbacks that can be mitigated with careful purchasing and installation practices.

- **Buy from a trusted source** (e.g., AutoZone, O Reilly, or Dorman s official website) to avoid counterfeit parts.

- **Verify your vehicle s exact application** (engine size, model year, and trim) to ensure the correct o-ring is purchased.

- **Drain the coolant system** before replacing the o-ring to avoid spills and ensure a clean installation.

- **Use moderate torque** when tightening the hose clamp to prevent crushing the o-ring.

- **Consider replacing the entire radiator hose** if it s old or cracked, as o-rings alone may not solve long-term issues.

- **Monitor for leaks** after installation. If the problem persists, inspect the hose, clamps, and radiator connections for other faults.

For most drivers, the Dorman 926-161 is the **best balance of quality, cost, and ease of use** for this application. If you re unsure about the installation, consult a mechanic or follow a detailed online guide (e.g., from Haynes or Chilton manuals).

Details:

Updated 10.19.2023. This aftermarket-exclusive radiator coolant hose O-ring allows you to simply replace the failed component. Fits what vehicles: 2001 2006 Chevrolet Silverado 2500 HD, 35 Suburban 25 GMC Sierra Yukon XL 2002 2006 Avalanche 2007 HD Classic, 3500 Classic. FEATURES: Simple fix - this O-ring is specifically manufactured to replace the original lower radiator hose on specific vehicles.

All accessories hardware. Dorman gives people greater freedom to fix these vehicles by constantly developing new repair solutions that put owners and installers first. This Dorman OE FIX allows direct replacement of only the failed O-ring to save time and money.

The engine that powers us is our Culture of Contribution. ABOUT DORMAN PRODUCTS: Peoples lives and livelihoods depend upon cars trucks. SPECIFICATIONS: Inside Diameter:1.734, Material:FM, Outside Diameter:2.012, Package Contents:1 O-Ring, Shape:Round, Thickness:0.139. Application specific - made to match the original O-ring on certain Chevrolet and GMC vehicles.

This is a rare combination in fast-growing, global enterprise that makes Dorman special place to work. Quality engineering - designed in the USA and backed by decades of automotive aftermarket experience. When a radiator hose O-ring fails, the dealer often requires replacing entire assembly. Dorman 926-161 Lower Radiator Hose O-Ring For Select 01-07 Chevrolet GMC model's.

Original packaging. Our engineers and designers go out of their way to save repair technicians time, vehicle owners money. Placing an order outside the US is easy.

part #: 926161 prices

• $19.15-$21.52

specifications ocoosys:

• for makes: Chevrolet, Gmc
• for years: 2001-2007
• brand: Dorman
• mpn: 926-161
• part type: Ring Radiator Hose
• ipn: 15792831
• country of origin: Viet Nam

payments ocoosys:

• credit card: Discover
• wallet: Apple-pay
• other

seller ocoosys:

• rating: 99.4%
• # reviews: 144901
• city: Miami, Florida

offer ocoosys:

• sold: 0
• options: Ship-to-home
• started: February 7, 2026
• quantity: 10
• availability: In Stock

shipping ocoosys:

• cost: $0.00
• type: Fixed
• transit: 4-7 Days
• class: Standard
• service: Standard

returns ocoosys:

• paid by: Seller
• time: 30 Days
• policy: Returns Accepted

general ocoosys:

• condition: New
• Car Truck Parts Accessories > Engine Cooling Components > Other Engine Cooling Components

Dorman 926-161 Is Similar To:

• 590-223 Dorman New Fits Gmc Sierra Hd Pair Set Of Front (25.4% similar) Or for a quick response. If you live outside of the USA please research and verify it fits your vehicle before purchasing...(September 6th, 2018)
• 620-333 Dorman Oe Solutions New Engine Cooling Fan Assembly For Mitsubishi (24.8% similar) We combine shipping on the same item. If you live outside of the USA please research and verify it fits your vehicle before purchasing. If you wish to purchase multiple items please. Or for a quick response. 9 lbs x w H31. L4 gas fie 2000 CC, dual fan ASSEMBLY2002MITSUBISHI lancer...(October 24th, 2018)
• 620-593 Dorman Oe Solutions Engine Cooling Fan Assembly For Toyota Avalon (26.3% similar) If you wish to purchase multiple items please. If you live outside of the USA please research and verify it fits your vehicle before purchasing. Or for a quick response. We combine shipping on the same item...(October 25th, 2018)
• 621503 Dorman Radiator Fan Motor (36% similar) Radiator fan motor fits fiesta this a aftermarket new part. Help questions or problems...(July 10th, 2017)
• 902-209 Dorman Radiator Fan Relay 19495351597 (37.1% similar) Q: is the original box included. Please for details. The offered shipping cost in listing applies only to 48 states. Q: what is the shipping cost. Protectorates. Q: is local pick-up available. 852840DORMSF111. Cash is accepted, but only upon local pick-up. Grab the best deal...(October 22nd, 2017)
• 902-424 Dorman Oe Solutions Radiator 885484756373 (29.7% similar) To check if this is the right part for your application, go ahead and before buying either directly or through ask a question link below. If theres something wrong with the product, we'll pay shipping back. Shipping method may be changed by request charges apply. Ask our EXPERTS888. NB warranty ...(March 16th, 2017)
• 902-436 Dorman Oe Solutions Radiator 885484756311 (29.7% similar) Shipping method may be changed by request charges apply. To check if this is the right part for your application, go ahead and before buying either directly or through ask a question link below. NB watts 2002 Audi a4 sedan fwd v6 quarto convertible wagon AWD l4 new take-off not means a quality ...(July 27th, 2017)
• 963-408 Dorman Autograde Pair Set Of Radiator Supports Head Dia Shank (32.4% similar) Universal or specific fit universal width in lbs x w H4. Or for a quick response. If you live outside of the USA please research and verify it fits your vehicle before purchasing. QUANTITY0MOUNTING method push-in rubber in. We combine shipping on the same item. 06IN shank long. If you wish to ...(October 25th, 2018)
• 603-578 Dorman Oe Solutions For Nissan Versa Coolant Reservoir 885484515277 (32.5% similar) FRONT2019NISSANVERSA NOTE1. FRONT2019NISSANVERSA1. FRONT2014NISSANVERSA1. FRONT2016NISSANVERSA NOTE1. FRONT2017NISSANVERSA1. FRONT2016NISSANVERSA1. FRONT2018NISSANVERSA1. Built for trouble-free ownership and 100 visually inspected quality tested, this engine coolant reservoir is backed by our ...(December 16th, 2020)
• 603-289 Dorman Oe Solutions For Toyota Highlander Coolant Reservoir (30.1% similar) This engine coolant reservoir is manufactured and tested to the strictest OE standards for unparalleled performance. Built for trouble-free ownership and 100 visually inspected quality tested, this engine coolant reservoir is backed by our satisfaction guarantee...(February 25th, 2021)
• 603-237 Dorman Oe Solutions For Buick Lucerne Cadillac Dts Coolant Reservoir (31% similar) FRONT2009BUICKLUCERNE4. FRONT2009CADILLACDTS4. Built for trouble-free ownership and 100 visually inspected quality tested, this engine coolant reservoir is backed by our satisfaction guarantee. FRONT2008CADILLACDTS4. FRONT2006CADILLACDTS4. FRONT2011BUICKLUCERNE4. FRONT2010BUICKLUCERNE4. ...(August 8th, 2021)