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OE Quality
60-Day Returns
DJ RockPart #: TK638
DJ Rock TK638 Engine Timing Set
⚙️ 10 vehicles fit this part
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
$134.13Free Shipping
🚚Free ShippingNo Cost to Continental U.S.
🔄Free Returns*Wrong fit? No cost
🛡️60-Day ReturnsMoney back guarantee
*Free return shipping only qualifies if our fitment verification tool is used.
🔥
✅ In Stock · Ready To Ship
Most orders ship same-day if ordered before 1pm CST.
✅OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Nissan, Altima and Sentra
🔄Easy Returns — Return within 60 days for a full refund
🚚Fast Shipping — Most orders ship same business day before 1pm CST
Not what you need? Click here for all Engine Timing Set options
DJ Rock TK638 Engine Timing Set
| Brand | DJ Rock |
| Part Number | TK638 |
| 10339 | Yes |
| 10340 | Yes |
| Timing Marks | Yes |
| Camshaft Sprocket Material | Steel |
| Timing Chain Type | Silent |
| Crankshaft Sprocket Material | Steel |
| Grade Type | Premium |
| Sprockets Included | Yes |
| Gaskets Included | No |
This part fits 10 vehicles. Search below:
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 2006 | Nissan | Altima | N/A | Premium Kit; VVT Engine; Variable Valve Timing Cam Gear(s) Not Included |
| 2006 | Nissan | Sentra | N/A | Premium Kit; VVT Engine; Variable Valve Timing Cam Gear(s) Not Included |
| 2005 | Nissan | Altima | N/A | Premium Kit; VVT Engine; Variable Valve Timing Cam Gear(s) Not Included |
| 2005 | Nissan | Sentra | N/A | Premium Kit; VVT Engine; Variable Valve Timing Cam Gear(s) Not Included |
| 2004 | Nissan | Altima | N/A | Premium Kit; VVT Engine; Variable Valve Timing Cam Gear(s) Not Included |
| 2004 | Nissan | Sentra | N/A | Premium Kit; VVT Engine; Variable Valve Timing Cam Gear(s) Not Included |
| 2003 | Nissan | Altima | N/A | Premium Kit; VVT Engine; Variable Valve Timing Cam Gear(s) Not Included |
| 2003 | Nissan | Sentra | N/A | Premium Kit; VVT Engine; Variable Valve Timing Cam Gear(s) Not Included |
| 2002 | Nissan | Altima | N/A | Premium Kit; VVT Engine; Variable Valve Timing Cam Gear(s) Not Included |
| 2002 | Nissan | Sentra | N/A | Premium Kit; VVT Engine; Variable Valve Timing Cam Gear(s) Not Included |
* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
This part directly replaces or is cross-referenced with the following part numbers:
3-4212S
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.