This page lists 5 ignition parts for the 2004 Hummer H1, across 1 part type, covering the 6.5L V8 DIESEL Turbocharged engine. Every part shows its brand, manufacturer part number and fitment notes.
The ignition system on the 2004 Hummer H1 delivers spark at the right moment — plugs, coils, wires, distributors and ignition modules. Every listed part is a Diesel Glow Plug.
The 2004 Hummer H1 came with a single engine, the 6.5L V8 DIESEL Turbocharged, and every part is verified against it.
5 brands supply ignition parts for the 2004 Hummer H1, led by GM GENUINE (1 part), AUTOLITE (1 part) and BOSCH (1 part), plus 2 more brands.
A "Popular" badge means the source catalog flagged the part as frequently chosen for the 2004 Hummer H1. 1 part has it: GM GENUINE 60G (Diesel Glow Plug). Each part number opens a page with every vehicle that part fits.
Diesel Glow Plug
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Popular | 60G | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| AUTOLITE | 1110 | 🇺🇸 US 🇨🇦 CA | Diesel Glow Plug | View on Amazon |
| BOSCH | 80034 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| STANDARD MOTOR PRODUCTS | GP104 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| ULTRA-POWER | GP104 | 🇺🇸 US 🇨🇦 CA | View on Amazon |
This table covers the Diesel Glow plugs. Typical signs include a leak at the drain or glow-plug hole, or a plug that has rounded off. Replace the crush washer and torque to the spec in the notes.
5 Diesel Glow Plug parts are listed for the 2004 Hummer H1, from GM GENUINE, AUTOLITE, BOSCH and 2 other brands. GM GENUINE 60G carries the "Popular" badge.
This group includes GM GENUINE 60G, AUTOLITE 1110 and BOSCH 80034 and the remaining parts above.
Buying Ignition Parts for a 2004 Hummer H1
On this vehicle, the ignition system delivers spark at the right moment — plugs, coils, wires, distributors and ignition modules.
- Confirm you have the 6.5L V8 DIESEL Turbocharged engine — every part on this page is matched to it.
- Read the notes on each row for position, trim and spec qualifiers before you order.
- Where labor overlaps, replace plugs and wires (or coil boots) as a set — one weak cylinder makes the whole set feel bad.
- Cross-reference the manufacturer part number against your old part or a service-manual listing.
Start with the largest groups on this page: Diesel Glow Plug .
Frequently Asked Questions
How many ignition parts fit the 2004 Hummer H1?
Our catalog currently lists 5 ignition parts for the 2004 Hummer H1 across 1 subcategory and 5 brands, covering the 6.5L V8 DIESEL Turbocharged engine. Each part is matched to the engine(s) it fits.
What are the signs of ignition problems on a 2004 Hummer H1?
Common symptoms include misfires under load, rough idle, flashing check-engine light, or poor starting in damp weather. If you notice any of these, identify the affected subcategory above and cross-reference the part numbers listed.
What should I replace at the same time?
Where labor overlaps, replace plugs and wires (or coil boots) as a set — one weak cylinder makes the whole set feel bad.
What do the market flags (US, CA, MX) on each part mean?
They show the market for which the manufacturer published application data for that part — where the vehicle was first sold, not where the part was made. If your 2004 Hummer H1 was originally sold in the US, the safest choice is a part marked for the US market.
How do I make sure a part fits my 2004 Hummer H1?
Every part on this page is matched to the 6.5L V8 DIESEL Turbocharged engine. Then gap matters even on “pre-gapped” plugs — verify against spec, and replace coil boots when they come off a high-mileage engine. The notes column carries position and trim qualifiers where they apply.
Other Parts for the 2004 Hummer H1
Ignition Parts for Other Hummer H1 Years
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Manufacturer names, model designations and part numbers are used for identification and fitment reference only. AutoFactsDB is an independent catalog and is not affiliated with, endorsed by, or sponsored by any vehicle manufacturer displayed on this page.