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A Research Table turns Medium Quality Spark Plugs into a blueprint for 15 scrap.
What one batch takes.
Metal Fragments
Copy it, then hold Shift and click Paste (JSON) in the conveyor, in game.
[
{
"TargetCategory": null,
"MaxAmountInOutput": 70,
"BufferAmount": 0,
"MinAmountInInput": 0,
"IsBlueprint": false,
"TargetItemName": "metal.fragments"
}
]
Workbench Level 2, 5s, yields 1
Faster at a higher workbench: 2.5s at Workbench Level 3.
Researching the blueprint costs 15 scrap at a Research Table.
Crates, barrels and NPCs that drop Medium Quality Spark Plugs, most likely first
| From | Chance | Amount | Condition |
|---|---|---|---|
 Advanced Vehicle Parts Crate | 40.8% | 1 to 2 | 25 to 75% |
Chance is for one container opened or one NPC killed. Amount is how many it holds when it holds any. Condition is the state the item comes out in.
A repair bench charges 20% of the recipe to fix a broken item, less when it is only worn.
What Medium Quality Spark Plugs give back in each recycler
| Recycler | Efficiency | You get |
|---|---|---|
| Red recycler | 75% | 52 + 50% Metal Fragments |
| Green recycler (powered) | 60% | 42 Metal Fragments |
| Green recycler | 50% | 35 Metal Fragments |
| Yellow recycler | 40% | 28 Metal Fragments |
Medium Quality Spark Plugs break down into Metal Fragments.
A recycler takes 2 per cycle, so a full stack of 20 goes through in 10 cycles.
Figures are for one item in perfect condition. Each recycler’s name opens its full table at this item. “52 + 50%” means 52 every time and a 50% chance of one more.
In Rust, Medium Quality Spark Plugs is a car and horse part in the Components category (item ID #-493159321, console shortname sparkplug2). In active play, they follow standard server rules for car and horse part gear across procedural maps. Inventory storage stacks up to 20 units per slot, and uncollected ground drops despawn after 5 minutes.
Medium quality spark plugs for a combustion engine. Spark plugs ignite the fuel/air mixture to move the pistons.
Crafting Medium Quality Spark Plugs in Rust takes 5 seconds at a Workbench Level 2 once the 15 scrap blueprint node is unlocked, with all ballistics, crafting, and durability values read from the Rust game files. Shredding a spare copy at a green recycler recovers base materials at fifty percent yield (vs forty percent at safe-zone yellow units). Damaged copies repair at a Repair Bench for a fraction of recipe cost.
Most car and horse parts stack to 1; Medium Quality Spark Plugs stack to 20.
When choosing between Medium Quality Spark Plugs and related components in Rust, prioritize researching a looted or traded copy at a Research Table (15 scrap) whenever you want to skip the 270-scrap tech tree path and save 255 scrap, or unlock the tech tree branch when your group also needs the prerequisite blueprints.
| Item | Category | Stack Limit | Craft / Source | Tech Tree / Research | Green Recycler Yield |
|---|---|---|---|---|---|
| Medium Quality Spark Plugs | Components | 20 per slot | Workbench Level 2 | 15 node / 270 path | Not recyclable |
| Low Quality Spark Plugs | Components | 20 per slot | Workbench Level 1 | 15 node / 255 path | Not recyclable |
| High Quality Spark Plugs | Components | 20 per slot | Workbench Level 3 | 15 node / 285 path | Not recyclable |
| Roadsign Horse Armor | Attire | 1 per slot | Workbench Level 2 | 60 node / 165 path | Not recyclable |
Compare Medium Quality Spark Plugs with closely related car and horse part sheets in the Rust item catalog:
To compare Medium Quality Spark Plugs against every item in its inventory category, browse All 63 items in Components, or plan prerequisite scrap paths on the The Engineering Workbench tech tree, tile by tile.
Medium Quality Spark Plugs are crafted at a Workbench Level 2 from 70 Metal Fragments, once the blueprint is learned in Rust. Raw ores smelt into metal inputs in a furnace while non-craftable components must be looted from monument crates before queuing the craft at your workbench.
Medium Quality Spark Plugs drop from 1 container and NPC loot table in Rust, led by Advanced Vehicle Parts Crate (40.8% chance). Each listed probability reflects a single container opened or NPC killed, and found copies can be repaired or researched at base.
Medium Quality Spark Plugs recycle in Rust at an unpowered green recycler into 35 Metal Fragments. Monument green recyclers shred items one unit at a time on fast radtown cycles, whereas safe-zone yellow units trade lower material recovery for peacekeeper protection.
Medium Quality Spark Plugs take 5 seconds to craft, down to 2.5 seconds at Workbench Level 3 in Rust. They belong to the Components category under numeric ID -493159321 across 63 components, with F1 console command inventory.giveid -493159321 20 across 63 published Components entries.
A repair bench fixes Medium Quality Spark Plugs from broken for 14 Metal Fragments in Rust. Repairing at a Repair Bench requires no learned blueprint or rare component body, scaling material cost to missing durability while permanently capping maximum condition by 20% across a full repair.
Blueprint progression for Medium Quality Spark Plugs at Engineering Workbench in Rust charges 15 scrap on the target node and 270 cumulative scrap along the prerequisite branch, while direct blueprint study at a Research Table charges 15 scrap.
Dropped on the ground in Rust, Medium Quality Spark Plugs despawn after 5 minutes by default. Picking them back up into a player inventory or storing them inside a base container immediately resets that ground despawn timer, which the server scales by item rarity tier.
Medium Quality Spark Plugs stack to 20 per slot in Rust. Players can split a pile in half with middle-click drag or move a custom quantity with Shift-click drag across inventory slots, storage boxes, and the Tool Cupboard, while dropped copies despawn after 5 minutes under the Components category (item ID -493159321).
Medium Quality Spark Plugs have 32-bit signed item ID -493159321 and shortname sparkplug2 in Rust. Server plugins, custom loot tables, Vending Machine listings, and automated Industrial Conveyor filter strings reference these two identifiers under the Components category (stack limit 20 units per slot).
Server administrators in Rust spawn Medium Quality Spark Plugs in the F1 developer console with inventory.give sparkplug2 20 or inventory.giveid -493159321 20 for 20 units. Both console spawn commands require administrator or moderator privileges on the server, while regular players can bind a quick-craft shortcut key instead.