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Toyo SKU ST-354550 Decision file B

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From $497.99 - linked sellers only - checkout price is final

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Toyo Open Country R/T Trail 275/50R22 111T MPN 354550

Between the Toyo Open Country R/T Trail 275/50R22 111T MPN 354550 and the nearest wheel & tire clearance options, what makes the call?

Toyo Open Country R/T Trail 275/50R22 111T MPN 354550 is recorded as an exact MPN row, so shoppers can compare one tire size instead of a broad family label.

Put it next to the Cooper Discoverer Rugged Trek LT285/55R20 122/119Q MPN 170061007 and the Cooper Discoverer Rugged Trek LT285/75R18 129/126Q MPN 170274046 and the Toyo Open Country R/T Trail 275/50R22 111T MPN 354550 leads for one kind of buyer while giving ground elsewhere. None of the three is the automatic answer, so read the package, fitment, and install rows before you read the price.

Nicole, Fitment Pilot editor

Reviewed by Nicole

Editor
Fitment

Chevrolet Silverado 2500 HD current Duramax trucks when 275/50R22 111T specs stay inside the checked route limits

Verify first

Use these tire rows only when the selected LT size, load range, wheel width, service description, and positive-offset wheel package stay inside the Silverado HD route limits.

Part number
354550
Choose it when
Toyo Open Country R/T Trail 275/50R22 111T MPN 354550 is recorded as an exact MPN row, so shoppers can compare one tire size instead of a broad family label.
Pass when
It stops being the right call the moment this holds: Dual-rear-wheel, ZR2, Sierra HD, or aggressive-offset setups without their own route check
Our cross-product compare

Same category. Different reason to buy.

Evidence level B
Decision point
Current decision file Toyo Open Country R/T Trail 275/50R22 111T MPN 354550 Part ST-354550 Cooper Cooper Discoverer Rugged Trek LT285/55R20 122/119Q MPN 170061007 Part ST-170061007 Cooper Cooper Discoverer Rugged Trek LT285/75R18 129/126Q MPN 170274046 Part ST-170274046
Best for
Toyo Open Country R/T Trail 275/50R22 111T MPN 354550 is an exact SimpleTire row promoted into the truck tire catalog for 2024 Chevrolet Silverado 2500 HD LT Crew Cab 4x4 Duramax planning with official tire-family doc...
Cooper Discoverer Rugged Trek LT285/55R20 122/119Q MPN 170061007 is an exact SimpleTire row promoted into the truck tire catalog for 2024 Chevrolet Silverado 2500 HD LT Crew Cab 4x4 Duramax planning with official tire...
Cooper Discoverer Rugged Trek LT285/75R18 129/126Q MPN 170274046 is an exact SimpleTire row promoted into the truck tire catalog for 2024 Chevrolet Silverado 2500 HD LT Crew Cab 4x4 Duramax planning with official tire...
What's included
Tire size: 275/50R22 111T
Tire size: LT285/55R20 122/119Q
Tire size: LT285/75R18 129/126Q
Product approach
The 2024 Chevrolet Silverado 2500 HD LT Crew Cab 4x4 Duramax route keeps offset, diameter, load, and rim-width checks visible before the offer is treated as a match.
Documented fitment only -- no standout approach beyond exact application is recorded for the Discoverer Rugged Trek LT285/55R20 122/119Q MPN 170061007.
Documented fitment only -- no standout approach beyond exact application is recorded for the Discoverer Rugged Trek LT285/75R18 129/126Q MPN 170274046.
Install burden
Moderate install. Exact tire MPN, tire size, and four-tire price
Confirm the Discoverer Rugged Trek LT285/55R20 122/119Q MPN 170061007 installation procedure and hardware before ordering.
Confirm the Discoverer Rugged Trek LT285/75R18 129/126Q MPN 170274046 installation procedure and hardware before ordering.
Fitment
Confirm the exact Toyo Open Country R/T Trail 275/50R22 111T MPN 354550 application for Chevrolet Silverado 2500 HD current Duramax trucks before ordering.
Confirm the exact Cooper Discoverer Rugged Trek LT285/55R20 122/119Q MPN 170061007 application for Chevrolet Silverado 2500 HD current Duramax trucks before ordering.
Confirm the exact Cooper Discoverer Rugged Trek LT285/75R18 129/126Q MPN 170274046 application for Chevrolet Silverado 2500 HD current Duramax trucks before ordering.
Choose it when
Choose the Open Country R/T Trail 275/50R22 111T MPN 354550 when it is the exact match for your truck and the Cooper Discoverer Rugged Trek LT285/55R20 122/119Q MPN 170061007 and the Cooper Discoverer Rugged Trek LT285/75R18 129/126Q MPN 170274046 do not list your application.
Choose the Discoverer Rugged Trek LT285/55R20 122/119Q MPN 170061007 when it is the exact match for your truck and the Toyo Open Country R/T Trail 275/50R22 111T MPN 354550 and the Cooper Discoverer Rugged Trek LT285/75R18 129/126Q MPN 170274046 do not list your application.
Choose the Discoverer Rugged Trek LT285/75R18 129/126Q MPN 170274046 when it is the exact match for your truck and the Toyo Open Country R/T Trail 275/50R22 111T MPN 354550 and the Cooper Discoverer Rugged Trek LT285/55R20 122/119Q MPN 170061007 do not list your application.
Current decision file

Toyo Open Country R/T Trail 275/50R22 111T MPN 354550

Part ST-354550

Best for
Toyo Open Country R/T Trail 275/50R22 111T MPN 354550 is an exact SimpleTire row promoted into the truck tire catalog for 2024 Chevrolet Silverado 2500 HD LT Crew Cab 4x4 Duramax planning with official tire-family doc...
What's included
Tire size: 275/50R22 111T
Product approach
The 2024 Chevrolet Silverado 2500 HD LT Crew Cab 4x4 Duramax route keeps offset, diameter, load, and rim-width checks visible before the offer is treated as a match.
Install burden
Moderate install. Exact tire MPN, tire size, and four-tire price
Fitment
Confirm the exact Toyo Open Country R/T Trail 275/50R22 111T MPN 354550 application for Chevrolet Silverado 2500 HD current Duramax trucks before ordering.
Choose it when
Choose the Open Country R/T Trail 275/50R22 111T MPN 354550 when it is the exact match for your truck and the Cooper Discoverer Rugged Trek LT285/55R20 122/119Q MPN 170061007 and the Cooper Discoverer Rugged Trek LT285/75R18 129/126Q MPN 170274046 do not list your application.
How we compared

Compared from exact part-number documents, documented fitment, included hardware, install notes, and current seller access. Retailer star ratings are not treated as proof of what owners think.

Wheel & tire owned fitment checklist visual
Illustration
Where to buy it

Seller offers

Each seller on its own terms - prices and stock reflect the date shown with each seller and can change; the seller's checkout price is final.

Seller checked Paid link

eBay Motors

New-in-box listings from national parts sellers cycle through here, so let the individual listing set condition and returns rather than trusting the category.

As an eBay Partner Network Affiliate, I earn from qualifying purchases.

In stock - Stock checked Jul 26 - verify at seller before checkout - Price updated Jul 26, 2026

Price and stock were current at the last check.

$497.99 View seller price

Other retailers to check

These other-retailer searches use the brand and part number shown on this page. We earn nothing if you buy through them.

Other retailer

SimpleTire

An online tire seller sorted by brand and size, useful for lining up the exact size, load range, and quantity.

Browse by tire brand, then confirm the exact size, load range, quantity, and service description.

Browse tire brands
Other retailer

Summit Racing

House fitment data and manufacturer spec sheets ride along on their pages, which makes it a good spot to sanity-check the part number.

Search with the brand and part number shown on this page, then confirm the manufacturer part number before ordering.

Search Summit Racing
Other retailer

Walmart

A broad marketplace where third-party sellers vary widely, so check who is actually selling and how returns work.

Search with the brand and part number shown on this page, then verify the exact seller, item condition, fitment, and return terms.

Search Walmart

The current best price is at its recent low across 1 price check. The seller's checkout page has the final say; make sure stock, exact SKU, and seller details all agree before you order.

Report an issue
Decision trail Check these before you buy.
Part Toyo Open Country R/T Trail 275/50R22 111T MPN 354550 Part ST-354550. Toyo resource available.
Fits 2020-current Chevrolet Silverado 2500 HD current Duramax trucks Use these tire rows only when the selected LT size, load range, wheel width, service description, and positive-offset wheel package stay inside the Silverado HD route limits.
Watch for Wheel & Tire Clearance checkout checks Confirm load rating, wheel offset, tire diameter, rubbing risk, TPMS needs, and spare-tire planning before checkout.
Paid link ยท Seller eBay Motors at $497.99 In stock. Stock checked Jul 26 - verify at seller before checkout. Compare return terms before leaving Fitment Pilot.
Photos Category visual The photo shows the category, not this exact part; an exact product photo appears once image rights are confirmed.
If unsure Compare, read, or report If the seller page, vehicle details, or photos do not line up, compare sellers, read the guide, or report the issue.
The evidence

Fitment and install resources

Reviewed 2026-07-26

Editorial method

What we checked on this page

We check the Toyo Open Country R/T Trail 275/50R22 111T MPN 354550 for exact part identity, seller options, stock and price dates, photo rights, and official resources.

Sellers4 seller destinations

Paid offers and other retailer searches are labeled separately so you can choose where to check.

FreshnessStock checked Jul 26 - verify at seller before checkout

Stock and price freshness are shown with each seller before checkout.

PhotosCategory visual only

This photo shows the part category, not this exact product. Confirm SKU, size, and kit contents before ordering.

Resources3 official resources

Install, fitment, spec, or warranty resources are available before checkout.

An exact product photo appears here once image rights are confirmed.

Under the listing

Choose it, pass, or verify

Toyo Open Country R/T Trail 275/50R22 111T MPN 354550 is an exact SimpleTire row promoted into the truck tire catalog for 2024 Chevrolet Silverado 2500 HD LT Crew Cab 4x4 Duramax planning with official tire-family docs and a current seller price snapshot.

Choose it if

  • Toyo Open Country R/T Trail 275/50R22 111T MPN 354550 is tracked as an exact MPN row, so shoppers can compare one tire size instead of a broad family label.
  • The 2024 Chevrolet Silverado 2500 HD LT Crew Cab 4x4 Duramax route keeps offset, diameter, load, and rim-width checks visible before the offer is treated as a match.
  • Seller price, rating context, warranty resources, exact tire specs, and fitment checks are present, but final stock and shipping terms still belong in checkout.
  • Use these tire rows only when the selected LT size, load range, wheel width, service description, and positive-offset wheel package stay inside the Silverado HD route limits.

Pass if

  • The Toyo Open Country R/T Trail 275/50R22 111T MPN 354550 is not the right choice when your truck falls outside 2020-current Chevrolet Silverado 2500 HD current Duramax trucks, or its trim, engine, and package cannot be matched to the documented application.
  • Pass when this exclusion applies: Dual-rear-wheel, ZR2, Sierra HD, or aggressive-offset setups without their own route check
  • Choose another size or construction when load capacity, wheel width, offset, rubbing clearance, ride, or spare-tire needs point elsewhere.

Verify

  • Exact tire MPN, tire size, and four-tire price
  • Load range, service description, rim width, and tire diameter
  • Wheel offset, brake clearance, seller stock, shipping, returns, and installer requirements
  • The checked shelf is a 2024 Silverado 2500 HD LT Crew Cab 4x4 Duramax route; GMC Sierra HD, dual-rear-wheel, ZR2, lifted, and heavy commercial setups need their own seller and clearance check.