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One Stop SolutionsPart #: 1888

One Stop Solutions 1888 Radiator
⚙️ 9 vehicles fit this part
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
$188.53Free Shipping
🚚Free ShippingNo Cost to Continental U.S.
🔄Free Returns*Wrong fit? No cost
🛡️60-Day ReturnsMoney back guarantee
*Free return shipping only qualifies if our fitment verification tool is used.
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✅ In Stock · Ready To Ship
Most orders ship same-day if ordered before 1pm CST.
✅OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Oldsmobile and Pontiac, Montana, Silhouette, and Trans Sport
🔄Easy Returns — Return within 60 days for a full refund
🚚Fast Shipping — Most orders ship same business day before 1pm CST
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One Stop Solutions 1888 Radiator
| Brand | One Stop Solutions |
| Part Number | 1888 |
| Core Height | 30 1/2 |
| Core Thickness | 1 |
| Core Thickness | 26 |
| Core Width | 15 1/16 |
| Inlet Header Length | 16 5/8 |
| Outlet Header Length | 16 5/8 |
| Core Material | Pa |
| Tank Material | Plastic |
| Transmission Oil Cooler Included | Yes |
| Inlet Header Width | 2 7/16 |
| Outlet Header Width | 2 7/16 |
| Transmission Oil Cooler Type | Plated |
| Transmission Oil Cooler Distance between Fittings | 11 1/2 |
| Engine Oil Cooler Type | None |
| Core Row Quantity | 1 |
| Inlet Diameter | 1 5/16 |
| Outlet Diameter | 1 5/16 |
| Engine Oil Cooler Included | No |
| Down Flow Or Cross Flow Type | Crossflow |
| Cap Included | No |
| BulletPoint 1 | Hassle free installation |
| BulletPoint 2 | O.e. performance and exceptional quality |
| BulletPoint 3 | Engineering enhancements provide improved cooling and longer life |
| BulletPoint 4 | Components are fitted and torqued in place to factory specificati |
| BulletPoint 5 | Premium grade tubes, fins, headers, tanks, and other components a |
| BulletPoint 6 | Drop in fit, form and function. all necessary fittings or hardwar |
| BulletPoint 7 | Complete radiators 100% tested up to three times during productio |
| BulletPoint 8 | Enhancements added to solve original design failures and to impro |
This part fits 9 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2000 | Oldsmobile | Silhouette | 3.4L | V6 | N/A | 1" Core |
| 2000 | Pontiac | Montana | 3.4L | V6 | N/A | 1" Core |
| 1999 | Oldsmobile | Silhouette | 3.4L | V6 | N/A | 1" Core |
| 1999 | Pontiac | Montana | 3.4L | V6 | N/A | 1" Core |
| 1999 | Pontiac | Trans Sport | 3.4L | V6 | N/A | 1" Core |
| 1998 | Oldsmobile | Silhouette | 3.4L | V6 | N/A | 1" Core |
| 1998 | Pontiac | Trans Sport | 3.4L | V6 | N/A | 1" Core |
| 1997 | Oldsmobile | Silhouette | 3.4L | V6 | N/A | 1" Core |
| 1997 | Pontiac | Trans Sport | 3.4L | V6 | N/A | 1" Core |
* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
This part directly replaces or is cross-referenced with the following part numbers:
266152472865560028011890CU1890GM3010290
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.