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Description
Schultz 7715015 Direct-Fit Converter for 2003 - 2005 Chevrolet Express 2500 4.8LOverview: Direct Fit Converter for 05 03 Express 2500 4. 8L 05 03 Express 2500 6L 05 05 Express 3500 4. 8L 05 03 Express 3500 6L 05 03 Savana 2500 4. 8L 05 03 Savana 2500 6L 05 04 Savana 3500 4. 8L 05 03 Savana 3500 6L NOTE: Not Carb Compliant Gasket Included : Front Yes Rear Yes Replacement Part for : Brand Part No. AP 645780 Bosal 079 5192 Magnaflow Interchange 93408 Walker 55533 Application: Year Make Model Submodel Engine Size 2003 2005 Chevrolet
Overview:
Direct-Fit Converter for 05-03 Express 2500 4.8L | 05-03 Express 2500 6L | 05-05 Express 3500 4.8L | 05-03 Express 3500 6L | 05-03 Savana 2500 4.8L | 05-03 Savana 2500 6L | 05-04 Savana 3500 4.8L | 05-03 Savana 3500 6L
NOTE: Not Carb Compliant
Gasket Included :
| Front | Yes |
|---|---|
| Rear | Yes |
| Brand | Part No. |
|---|---|
| AP | 645780 |
| Bosal | 079-5192 |
| Magnaflow Interchange | 93408 |
| Walker | 55533 |
Application:
| Year | Make | Model | Submodel | Engine Size |
|---|---|---|---|---|
| 2003 - 2005 | Chevrolet | Express 2500 | 6L/V8 | |
| 2003 - 2005 | Chevrolet | Express 2500 | 4.8L/V8 | |
| 2003 - 2005 | Chevrolet | Express 3500 | 6L/V8 | |
| 2005 | Chevrolet | Express 3500 | 4.8L/V8 | |
| 2003 - 2005 | GMC | Savana 2500 | 6L/V8 | |
| 2003 - 2005 | GMC | Savana 2500 | 4.8L/V8 | |
| 2003 - 2005 | GMC | Savana 3500 | 6L/V8 | |
| 2004 - 2005 | GMC | Savana 3500 | 4.8L/V8 |
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
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Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.7 ★★★★★
Based on 28 reviews
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Product Reviews
★★★★★ 5
European oil… Japanese engine… zero regrets 🇪🇺➡️🇯🇵
Size: 5 Quart, Style: Full Synthetic, Configuration: 0W-40, Size: 5 Quart, Style: Full Synthetic, Configuration: 0W-40
Yes, I know what the label says. “European Car Formula.”
Yes, I put it in a 2002 Subaru WRX bugeye with an EJ257 block and EJ205 heads.
And yes—this oil absolutely slaps.
This engine is not stock, not delicate, and definitely not living an easy life. It sees spirited driving, boost, and the occasional questionable decision. After switching to Mobil 1 0W-40, cold starts are smoother, oil pressure is rock solid, and the motor just feels happier. No weird noises, no drama, no oil consumption surprises.
The viscosity is perfect for a performance Subaru build, especially if you’re running tighter tolerances or want strong protection under heat and load. It’s thick enough when hot, flows great when cold, and inspires confidence every time I turn the key.
Is it technically “European”? Sure.
Does my Subaru care? Not even a little.
If you’re running a built engine, turbo setup, or just want a proven, high-quality oil that punches above its weight, this stuff earns its reputation. My bugeye may not be European, but it’s living its best life on this oil.
Would absolutely buy again—passport not required.
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Reviewed in the United States on January 18, 2026
★★★★★ 4
Great oil
Size: 5 Quart, Style: Full Synthetic, Configuration: 0W-40
No issues
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Reviewed in the United States on May 17, 2026
★★★★★ 5
they give what they offer
Size: 5 Quart, Style: Full Synthetic, Configuration: 0W-40
great service from seller it was exactly how much oil quantity i ordered and its great quality
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Reviewed in the United States on May 29, 2026
★★★★★ 5
Works if you need help. Not a miracle in a bottle.
Size: 1 Count (Pack of 1)
It has worked every time I've used this product. Won't fix a damage catalytic converter but will help you pass the test if your car almost passed.
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Reviewed in the United States on May 28, 2026
★★★★★ 5
Worked like a charm.
Size: 1 Count (Pack of 1)
Used it as directed. Down to an eighth of a tank. Poured it in and added enough gas to get back to one half a tank. Wanted to get it mixed in really well. Immediately jumped on the interstate and ran 75 MPH for 40 miles. Stopped and filled the tank and when I restarted the engine, the light was off. Coincidence? Not a chance. Light had been on continuously for weeks. AutoZone said I needed a catalytic converter. Nope. One thing I found out the hard way. If your gas filler has a flap at the top, make sure it is easy to push aside. Mine had a little release button near the top that the filler hose would depress before the flap would release. Dumped the first bottle right on the ground. Twelve bucks wasted. No one to blame but me, I guess. Still a bargain, even at twice the price.
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Reviewed in the United States on February 17, 2026