Dorman 926-159 Radiator Coolant Hose O-Ring Kit

The Dorman 926-159 Radiator Coolant Hose O-Ring Kit is a replacement O-ring intended to let you replace a failed seal without changing the entire radiator hose assembly. Confirm the part number and vehicle fit before ordering, since customer feedback reports varying fit experiences.

At a glance

Designed as a replacement for a failed radiator coolant hose O-ring rather than the complete hose assembly.
The listing describes the part as engineered to match an original radiator coolant hose O-ring on a variety of vehicles.
The listed OEM references provide several identifiers to compare against the vehicle's existing part.

Price

$42.62Save 29%

Reference price: ~~$59.97~~

Price checked: Nov 13, 2026

View offer

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Pros and cons

Pros

A failed O-ring can be replaced without automatically replacing the entire radiator hose assembly, according to the listing.
Customer feedback reports positive experiences with sealing and functionality, including on 6.7 Powerstroke engines.

Technical specifications

6 specifications

Identity
Brand	Dorman
Model	926-159

Dimensions and installation
Dimensions listed	3.3 x 17.27 x 10.92 cm; 77.11 g
Weight listed	77.1 g
Position	Center

Part references
OEM part numbers	BC3Z-8590F; BC3Z8590A; BC3Z8590B; BC3Z8590C; BC3Z8590E; BC3Z8590H; RTS-1068; RTS-1069; RTS-1070; RTS-1072; RTS-1073; RTS-1075

What to know before buying

The listing does not identify specific compatible vehicles in its main product details. Verify that model 926-159 or an applicable OEM reference matches your vehicle before purchase. Customer feedback also reports varying fit experiences.

Who is it for?

A good fit for

Vehicle owners or repair professionals replacing a failed radiator coolant hose O-ring when a full hose assembly is not needed.
Buyers who can confirm compatibility using the part number or listed OEM references.

Less suited to

Buyers who need a complete radiator hose assembly rather than an O-ring.
Anyone unable to confirm that this O-ring fits their specific vehicle and hose connection.

Dorman 926-159 Radiator Coolant Hose O-Ring Kit · photo 2 — Additional product photo 2

Customer reviews on Amazon

4.6 / 5 · 127 ratings

5 stars81%81%
4 stars8%8%
3 stars7%7%
2 stars1%1%
1 star3%3%

Customer feedback highlights sealing and functionality as positives, with reports of use on 6.7 Powerstroke engines, while fit experiences vary. That variation matters for a vehicle-specific replacement: confirm the part number and application before relying on it as a fix. Aggregate ratings are mostly five-star, but they do not establish compatibility for an individual vehicle.

Positive themes

Feedback reports effective sealing and positive functionality.

Mixed feedback

Customer feedback describes varying fit experiences.

Frequently asked questions

Does this replace the entire radiator hose?

No. The listing describes model 926-159 as a replacement O-ring for a failed seal, not a complete radiator hose assembly.

How can I check whether it fits my vehicle?

Compare model 926-159 and the listed OEM part references with your vehicle's existing part and application information. The listing does not specify particular compatible vehicles in its main details.

What do customers report about fit and function?

The supplied customer feedback describes positive reports about leak sealing and functionality, including on 6.7 Powerstroke engines, but also says fit experiences vary.