2011 Ram 1500 Spark Plug Gap Specs by Engine
2011 Ram 1500 Spark Plug Gap Specs by Engine with application chart, generation boundaries, verification steps and official manufacturer lookup.
For the 2011 Ram 1500, Mopar lists 0.043 in (1.09 mm) for both the 3.7L V6 and 5.7L HEMI. The 4.7L V8 is different: its upper plugs are 0.039 in (0.99 mm) and its lower plugs are 0.051 in (1.30 mm).
For the 2011 Ram 1500, Mopar lists 0.043 in (1.09 mm) for both the 3.7L V6 and 5.7L HEMI. The 4.7L V8 is different: its upper plugs are 0.039 in (0.99 mm) and its lower plugs are 0.051 in (1.30 mm).
These values are specific to the 2011 Ram 1500 engine and plug rows in the factory guide. They are not a universal specification for later 3.6L Pentastar trucks, later 5.7L plug revisions, or any Cummins diesel.
Interactive 2011 1500 specification guide
Branded downloads includedPNG and PDF exports carry the TorqueSheet logo, torquesheet.com, source-page URL, and republishing attribution request. The PDF source link is clickable.
Orientation aid only. Match the VIN, engine, trim and manufacturer document before use.
Dodge Ram 1500 Spark Plug Gap Specs
| APPLICATION / ITEM | SPECIFICATION | NOTES |
|---|---|---|
| 3.7L V6 | 0.043 in | 1.09 mm; ZFR6F-11G |
| 5.7L HEMI | 0.043 in | 1.09 mm; LZFR5C-11 |
| 4.7L upper bank | 0.039 in | 0.99 mm; FR8TE2 |
| 4.7L lower bank | 0.051 in | 1.30 mm; FR8T1332 |
Match the engine and the listed replacement plug before measuring. The 5.7L and 4.7L use two plugs per cylinder; on the 4.7L, upper and lower positions intentionally use different plugs and gaps. A fine-wire plug with a damaged electrode should be replaced, not aggressively bent to a target.
Application boundaries for 2011 1500
These values are specific to the 2011 Ram 1500 engine and plug rows in the factory guide. They are not a universal specification for later 3.6L Pentastar trucks, later 5.7L plug revisions, or any Cummins diesel.
Match the engine and the listed replacement plug before measuring. The 5.7L and 4.7L use two plugs per cylinder; on the 4.7L, upper and lower positions intentionally use different plugs and gaps. A fine-wire plug with a damaged electrode should be replaced, not aggressively bent to a target.
Ram 2011 1500 specifications can change by model year, engine, platform, wheel, and installed component. Confirm the VIN or engine identity, part numbers, fastener condition, and the current manufacturer instructions before service.
Procedures used with this specification
These steps are the same for every vehicle in this family, so they are documented once rather than repeated on each page. The values above remain specific to this Ram 2011 1500.
2011 Ram 1500 Spark Plug Gap Specs by Engine FAQs
What is the spark plug gap on a 2011 Ram 1500?+
0.043 in (1.09 mm) for both the 3.7L V6 and the 5.7L HEMI. The 4.7L V8 is different: 0.039 in (0.99 mm) for its upper plugs and 0.051 in (1.30 mm) for its lower plugs.
Why does the 4.7L use two different gaps?+
The 4.7L uses two plugs per cylinder, and the upper and lower positions intentionally take different plugs — FR8TE2 above and FR8T1332 below — with different gaps to match.
Which plugs do the 3.7L and 5.7L use?+
The 3.7L V6 is listed with the ZFR6F-11G and the 5.7L HEMI with the LZFR5C-11, both at 0.043 in.
Do later Ram trucks use these gaps?+
No. These rows are specific to the 2011 Ram 1500 and are not a universal specification for later 3.6L Pentastar trucks, later 5.7L plug revisions, or any Cummins diesel.
Can I bend a fine-wire plug to reach the gap?+
A fine-wire plug with a damaged electrode should be replaced, not aggressively bent toward a target. Match the engine and the listed replacement plug before measuring.
Technical sources
TorqueSheet favors engine- and component-specific manufacturer instructions over unsourced universal values.
12011 Ram 1500 User's Guide — spark-plug specificationsPrimary Mopar table listing 0.043 in for the 3.7L and 5.7L, plus separate 0.039 in upper and 0.051 in lower plug gaps for the 4.7L.↗