| Part | Name | Releases |
|---|
| B2-501GSA | Drive Cup (Steel) for MR / RS Gear Diff | 2 |
| B2-503GMA | Metal Bevel Gear Set for Gear Diff | 2 |
| B2-506 | Diff Drive Ring | 3 |
| B2-506A | Diff Drive Ring | 4 |
| BD-500GA | Aluminium Gear Diff Shaft (1 Set 2 pcs) for BD / B-MAX | 6 |
| BD-500GOA | O Ring (Silicone 4 pcs) for Gear Diff for BD-7 / BD-5 | 2 |
| BM-508 | デフ アジャスタブルキット | 5 |
| D-150SO | O Ring for Gear Diff | 2 |
| MD-DHA | Diff Height Adjust 3 Gear / 4 Gear L/R for SD2.0 | 2 |
| MD-DHA31 | Diff Height Adjust 3 Gear +1mm L/R for MD1.0 | 2 |
| MD-DHA32 | Diff Height Adjust 3 Gear +2mm L/R for MD1.0 | 2 |
| MD-DHA41 | Diff Height Adjust 4 Gear +1mm L/R for MD1.0 | 2 |
| MD-DHA42 | Diff Height Adjust 4 Gear +2mm L/R for MD1.0 | 2 |
| Y2-001BDA | アンダートレイ デフューザーセット | 2 |
| Y2-500GM3 | ギヤデフ用 メンテナンス キット | 3 |
| Y2-500GM3A | デフケース用 メインテナンスキット YD-2/YZ-2 ギヤデフ用 | 1 |
| Y2-500GS | 樹脂製 ベベル ギヤデフユニット(組立済) 1 | 3 |
| Y2-500GS-A | 樹脂ギヤ デフ ユニット YD-2 用 | 1 |
| Y2-500GSA | 樹脂製 ベベル ギヤ デフユニット ( アルミ製 1 ドライブカップ、プロテクター仕様、組立済) | 3 |
| Y2-500GSAA | Composite Bevel Gear for Aluminium D Cup with Gear Diff YD-2 | 2 |
| Y2-501GS2 | YD-2 専用ギヤデフ用 ドライブカップ(スティール製) 2 | 3 |
| Y2-501GS2A | ギヤデフ用 ドライブカップ YD-2 專用 ソリッドアクスル | 1 |
| Y2-501GSA | YD-2 専用ギヤデフ用 ドライブカップ 2 (アルミ製、プロテクター仕様) | 3 |
| Y2-501GSAA | Gear Diff for Aluminium Drive Cup YD-2 | 2 |
| Y2-503GHA | Gear Diff for Case YD-2 / YZ-2 | 1 |
| Y2-503GM | Metal Bevel Gear Set for Gear Diff | 3 |
| Y2-503GP | Composite Bevel Gear Set for Gear Diff | 3 |
| Y2-503GPA | Gear Diff for Composite Bevel Gear Set YD-2 / EX1 / PLS | 1 |
| Y2-503GPH | Composite Hard Bevel Gear Set for Gear Diff | 3 |
| Y2-503GPHA | Composite Hard Bevel Gear Set for YD-2 / YZ-2 / YZ4SF2 Gear Diff | 5 |
| Y2-508A | デフ アジャスタブル キット YD-2 シリーズ用 | 2 |
| Z2-500MG3A | Metal Gear Diff Kit for YZ-2 Series | 2 |
| Z2-503GH2A | YZ-2 用 ギヤデフ用 デフケース ( 大容量 ) | 2 |
| Z2-503GHCA | YZ-2 シリーズ用 アルミ製 ギヤデフ ケース用 キャップ(ハードアルマイト) | 5 |