Silver Bullet spacer for exact engine and intake requirements
The aFe 46-36002 Silver Bullet spacer fits the documented 4.0L V6 applications. It does not acquire 3.8L compatibility simply because the 2020 US Frontier retained the earlier body style.
Key Features
- 6061-T6 billet-aluminum serrated/helix entry design; claimed turbulence and reduced whistle do not guarantee an improvement on every setup.
- 6061-T6 billet aluminum with serrated/helix entry.
- Uses a different bolt length from the 5.6L kit; do not substitute the other spacer's hardware.
- Manufacturer turbulence, response and power statements are claims, not guaranteed gains.
Fitment
| Years / source scope | Model | Exact requirements |
|---|---|---|
| 2005–2019 US scope | Nissan Frontier | 4.0L V6 only |
| 2005–2012 | Nissan Pathfinder | 4.0L V6 only |
| 2005–2015 | Nissan Xterra | 4.0L V6 |
| 2009–2012 US model years | Suzuki Equator | 4.0L V6 only; not 2.5L |
46-36002: The current exact page and read EO stop Frontier at 2019, while the older manual prints 2020 4.0L. Nissan's official 2020 press information states all US models use the new 3.8L V6, so 2020 portions of existing rows are removed. The manual prints Equator from 2008, but Suzuki's debut press release identifies the 2009 model launched in calendar 2008; no 2008 US model is added. Exact manufacturer manual coverage supports Equator 4.0L, not an inference from shared Frontier parts. Existing Frontier/Pathfinder named trims remain engine-conditional.
Specifications
| Detail | Value |
|---|---|
| Manufacturer Part Number | 46-36002 |
| Material / design | 6061-T6 billet aluminum; serrated/helix entry |
| Engine / application | See exact engine-specific fitment table and source qualifications |
| Sealing arrangement | Use the supplied gasket on the throttle-body side of the spacer, with the engraved spacer face toward the body. |
| Throttle-body fastening | The exact manual specifies 10 Nm (89 in-lb) for the supplied longer bolts and washers. |
| Emissions scope | D-550-40 was read from CARB and lists this part for Frontier 2005–2019 4.0L. That listing does not certify all Pathfinder, Xterra or Equator applications under the same order; verify the applicable exemption and label before use. |
What's Included
- One Silver Bullet spacer and one gasket
- Four 6mm x 80mm bolts
- Four 6mm flat washers and four 6mm lock washers
About aFe Power
aFe Power develops application-specific intake, filtration, exhaust, cooling, tuning, suspension, drivetrain, and truck-performance components supported by product testing and documented installation requirements.
Related Parts
- Browse aFe Power by exact engine and installed intake; shared brand membership does not establish compatibility.
- Use the exact spacer, seal and fastener list; do not substitute another spacer from a broad model title.
Frequently Asked Questions
What is the 46-36002?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?Use the supplied gasket on the throttle-body side of the spacer, with the engraved spacer face toward the body.
What is the correct torque?The exact manual specifies 10 Nm (89 in-lb) for the supplied longer bolts and washers.
Are all original search rows certified?The current exact page and read EO stop Frontier at 2019, while the older manual prints 2020 4.0L. Nissan's official 2020 press information states all US models use the new 3.8L V6, so 2020 portions of existing rows are removed. The manual prints Equator from 2008, but Suzuki's debut press release identifies the 2009 model launched in calendar 2008; no 2008 US model is added. Exact manufacturer manual coverage supports Equator 4.0L, not an inference from shared Frontier parts. Existing Frontier/Pathfinder named trims remain engine-conditional.
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?D-550-40 was read from CARB and lists this part for Frontier 2005–2019 4.0L. That listing does not certify all Pathfinder, Xterra or Equator applications under the same order; verify the applicable exemption and label before use.
Installation Instructions
- Read the exact manufacturer instructions for 46-36002, verify the actual engine, intake, hardware and applicable emissions scope before removal.
- Remove the engine cover, disconnect the PCV vent hose and remove the inlet tube from body and airbox.
- Remove the four throttle-body socket-cap bolts with the specified 5mm hex. Retain the factory hardware for return to stock.
- Install the spacer and gasket, engraved spacer side toward the throttle body. Use the supplied 6mm x 80mm bolts with flat and lock washers; tighten to 10 Nm (89 in-lb).
- Restore the intake tube, PCV hose and engine cover. Check every connection, clamp and fastener and confirm the applicable EO labeling.
46-36002: installation details and any unresolved source scope must be matched to the actual vehicle before use.
California Proposition 65 Warning
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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