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The aFe 46-34008 is the 5.3L spacer for the specified later GM trucks and SUVs. It is not the 6.2L spacer, and a broad model or trim label does not identify the installed engine.
| Years / source scope | Model | Exact requirements |
|---|---|---|
| 2014–2026 current page; manual through 2024 | Chevrolet Silverado 1500 / GMC Sierra 1500 | V8 5.3L only |
| 2015–2026 current page; manual through 2024 | Chevrolet Tahoe / Suburban; GMC Yukon / Yukon XL | V8 5.3L only |
| Legacy Limited / LD and engine-dependent trim rows | Confirm exact throttle-body and powertrain | Do not infer 5.3L compatibility from a model name or a 6.2L related intake |
46-34008: The exact current page extends the listed 5.3L truck/SUV families through 2026, while the linked manual’s table ends in 2024. Legacy named grades and Limited/LD variants still require engine and assembly confirmation; this family scope does not certify every configuration. A legacy Yukon Denali row is not proof of a 5.3L engine application. The older EO’s 2014–2015 truck entry does not establish emissions coverage through the current mechanical headline.
| Detail | Value |
|---|---|
| Manufacturer Part Number | 46-34008 |
| 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; TOP side faces the throttle body. Verify butterfly clearance after tightening. |
| Throttle-body fastening | Supplied throttle-body bolts: 5 Nm (45 in-lb), not the 89 in-lb specification of other GM spacers. |
| Emissions scope | The page/manual cite D-550-11 and D-550-17. The inspected D-550-17 lists this spacer for 2014–2015 5.3L Silverado/Sierra 1500; that is not a blanket 2026 or SUV emissions certification. Full current application-specific coverage remains to be confirmed. |
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; TOP side faces the throttle body. Verify butterfly clearance after tightening.
What is the correct torque?Supplied throttle-body bolts: 5 Nm (45 in-lb), not the 89 in-lb specification of other GM spacers.
Are all original search rows certified?The exact current page extends the listed 5.3L truck/SUV families through 2026, while the linked manual’s table ends in 2024. Legacy named grades and Limited/LD variants still require engine and assembly confirmation; this family scope does not certify every configuration. A legacy Yukon Denali row is not proof of a 5.3L engine application. The older EO’s 2014–2015 truck entry does not establish emissions coverage through the current mechanical headline.
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 page/manual cite D-550-11 and D-550-17. The inspected D-550-17 lists this spacer for 2014–2015 5.3L Silverado/Sierra 1500; that is not a blanket 2026 or SUV emissions certification. Full current application-specific coverage remains to be confirmed.
46-34008: 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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