Description
TP1256 Fuel Filter 3-Pack for 1992–2002 Chevy GMC 6.5L Diesel — Suburban, Silverado, Sierra, Tahoe, Yukon, Hummer H1
Why buy one fuel filter for your Chevy Suburban or GMC Sierra diesel when you can cover your next 45,000 miles for less? This 3-pack of replacement fuel filter elements gives you three complete filter changes at a 27% discount versus buying individually. Each filter includes the cap and O-ring gasket — just unscrew the old, screw in the new, and you're back on the road in 10 minutes.
📦 What's in the Box: 3 × replacement fuel filter elements, each with its own cap and O-ring gasket. Three complete filter changes in one order. Individually sealed to prevent contamination before installation.
Why Buy a 3-Pack?
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Save Money: $49.99 for 3 vs $68.97 for 3 singles — that's $18.98 saved (27% discount)
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No Last-Minute Parts Store Run: Your next two filter changes are already on your garage shelf
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Roadside Insurance: Keep one in your truck. Bad fuel or a clogged filter won't leave you stranded — a roadside filter swap takes 10 minutes with basic tools
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Consistent Quality: All three filters from the same production batch — identical fit, filtration, and performance every change
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Fleet-Friendly: If you run multiple 6.5L trucks, a 3-pack (or our 6-pack) keeps your whole fleet maintained on the same schedule
Key Features
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Complete Filter + Cap + O-Ring Assembly — Unlike bare filter elements that require you to reuse an old, potentially cracked OEM cap, each TP1256 filter in this 3-pack arrives with a new cap and O-ring gasket pre-installed. One piece, one swap, zero reuse of worn components.
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GM 10226035 Housing Compatible — Designed as a direct drop-in replacement for the factory GM 10226035 fuel filter housing assembly. Same thread pitch, same sealing surface, same fuel flow characteristics as OEM.
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IATF 16949 Certified Manufacturing — Produced in ISO/TS-certified facilities. Consistent filtration efficiency protecting the 6.5L's Stanadyne DB2/DS4 rotary injection pump from particulate and water damage.
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Pre-Lubricated O-Ring — Each cap comes with a pre-lubricated O-ring gasket for a smooth, leak-free seal. No dry O-ring binding during installation.
Compatibility — GM 6.5L Diesel Applications
| Make |
Models |
Years |
| Chevrolet |
Silverado / C/K 1500, 2500, 3500 |
1992–2002 |
| Chevrolet |
Suburban |
1992–1999 |
| Chevrolet |
Tahoe |
1995–1999 |
| Chevrolet |
Blazer (Full-Size) |
1992–1999 |
| Chevrolet |
Express Van |
1996–2002 |
| GMC |
Sierra / C/K 1500, 2500, 3500 |
1992–2002 |
| GMC |
Suburban |
1992–1999 |
| GMC |
Yukon |
1992–1999 |
| GMC |
Savana Van |
1996–2002 |
| AM General |
Hummer H1 |
1994–2001 |
Replacement Interval Guide
| Driving Condition |
Recommended Interval |
| Daily driving / light duty |
Every 15,000 miles |
| Heavy towing / hauling |
Every 10,000 miles |
| Biodiesel blends (B5–B20) |
Every 7,500 miles |
| Dusty / off-road conditions |
Every 7,500 miles |
| Water-in-fuel warning triggered |
Replace immediately |
Pro tip: Write the date and mileage on the filter box when you install it. Keep the empty box as a record. You'll never second-guess when your next change is due.
Specifications
| Specification |
Value |
| OEM Part Number |
TP1256, 10226035 |
| Filter Type |
Spin-on fuel filter with integrated cap |
| Micron Rating |
10 micron nominal |
| Includes Cap |
Yes — each filter has cap + O-ring pre-installed |
| Pack Quantity |
3 complete filter assemblies |
Frequently Asked Questions
Q: Does the 3-pack include caps?
A: Yes. Each of the three filter elements comes with its own cap and O-ring gasket. You're getting three complete filter changes — no need to reuse old, potentially cracked OEM caps.
Q: Will these fit my factory GM filter housing?
A: Absolutely. They're designed as direct replacements for the GM 10226035 filter housing, whether your truck has the original OEM housing or an aftermarket replacement.
Q: Why does the 6.5L diesel need frequent filter changes?
A: The GM 6.5L's Stanadyne rotary injection pump relies on clean, water-free diesel fuel. Water and particulate contamination are the #1 and #2 causes of DB2/DS4 pump failure — each costing $800–$1,200 in parts alone. A $16 filter every 15,000 miles is the cheapest insurance you can buy for this engine.
Q: I do my own maintenance. Is the 3-pack worth it?
A: If you own one 6.5L diesel and drive 15,000 miles a year, the 3-pack covers 3 years of filter changes. At $49.99 vs $68.97 for singles, that's essentially a free filter. It's the no-brainer choice for DIY owners.
Q: What are signs my fuel filter is clogged?
A: Hard starting (especially when warm), loss of power under load, stalling after a few minutes of driving, or the engine cutting out on hills. These classic 6.5L symptoms often trace back to a neglected fuel filter. Change it first before chasing injection pump problems.
Related Products: Single Filter | 6-Pack (Best Value) | Complete Assembly | DIY Installation Guide
