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The aFe 46-34018 fits the specified five-cylinder GM compact-truck installations. It does not approve four-cylinder or V8 engines that share Colorado, Canyon or H3 model names.
| Years / source scope | Model | Exact requirements |
|---|---|---|
| 2004–2006; 2007–2012 | Chevrolet Colorado / GMC Canyon | L5 3.5L; L5 3.7L respectively |
| 2006; 2007–2008 | Hummer H3 | L5 3.5L; L5 3.7L respectively; not the V8 Alpha |
| 2006; 2007–2008 | Isuzu i-350; i-370 | L5 3.5L; L5 3.7L respectively |
46-34018: The exact manual separates the 3.5L and 3.7L years and names the H3 and Isuzu applications individually. Existing model/grade search rows remain conditional on the five-cylinder engine; a shared model name is not approval of its four-cylinder or V8 alternatives. The page title calls the spacer silver while its overview says black anodized; actual finish/revision has not been physically verified.
| Detail | Value |
|---|---|
| Manufacturer Part Number | 46-34018 |
| Material / design | 6061-T6 billet aluminum; serrated/helix entry |
| Engine / application | See exact engine-specific fitment table and source qualifications |
| Sealing arrangement | One supplied gasket between spacer and throttle body; engraved face toward the throttle body. |
| Throttle-body fastening | Throttle-body bolts: 89 in-lb. The two air-cleaner resonator mounting bolts have a separate 53 in-lb specification. |
| Emissions scope | The current exact page says this part is not CARB exempt and is unavailable for California purchase or use on California-registered vehicles. Do not inherit an EO from another GM spacer. |
aFe Power develops application-specific intake, filtration, exhaust, cooling, tuning, suspension, drivetrain, and truck-performance components supported by product testing and documented installation requirements.
A model- and engine-specific Silver Bullet throttle-body spacer, not a complete intake or replacement throttle body.
Does it include a filter or coupling?The exact parts list below governs. Generic manufacturer page fields do not establish a supplied intake filter or coupling for this spacer.
Are gains guaranteed?No. Turbulence, throttle-response and whistle statements are manufacturer design claims, not guaranteed horsepower, fuel-economy or sound results for the actual engine.
Which sealing parts are used?One supplied gasket between spacer and throttle body; engraved face toward the throttle body.
What is the correct torque?Throttle-body bolts: 89 in-lb. The two air-cleaner resonator mounting bolts have a separate 53 in-lb specification.
Are all original search rows certified?The exact manual separates the 3.5L and 3.7L years and names the H3 and Isuzu applications individually. Existing model/grade search rows remain conditional on the five-cylinder engine; a shared model name is not approval of its four-cylinder or V8 alternatives. The page title calls the spacer silver while its overview says black anodized; actual finish/revision has not been physically verified.
Can another spacer’s instructions be substituted?No. Gaskets, O-rings, brackets, screw sizes, control cables and intake restrictions differ by exact part number.
Does the EO reference cover every application?The current exact page says this part is not CARB exempt and is unavailable for California purchase or use on California-registered vehicles. Do not inherit an EO from another GM spacer.
46-34018: installation details and any unresolved source scope must be matched to the actual vehicle before use.
California Proposition 65 warning: this product can expose you to chemicals known to the State of California to cause cancer and reproductive harm.
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