Conversion purpose
Metric conversion for covered fasteners
SAVE
$0.98
$0.98
Why Choose This Kit
Key features and intended use for this kit.
Verified material
A2-70/A4-80 Stainless Steel
Designed use
Metric maintenance & rebuilds
Metric ConversionRead metric warning250+ Pieces
RCScrewZ Metric Stainless Steel Screw Kit los054m for Losi Night Crawler RTR 1/10 Electric 4WD Rock Crawler (Metric Conversion) (LOSB0104) | SET
Converts the model from its original factory thread system to metric hardware for owners who intentionally want standardized metric fasteners and tools.
Not a stock-thread replacement kit: Choose this Metric Conversion kit only when intentionally converting to metric hardware. For screws that match the model’s standard factory thread system, choose the Standard Stainless Screw Kit instead.
Fits: Losi Night Crawler 1/10 Electric 4WD Crawler (LOSB0104)
OEM / model: LOSB0104
US
- Regular price
- $33.97
- Sale price
- $33.97
- Regular price
-
$34.95
In stock
Confirm this kit fits your RCMatch the RC model and OEM/model number shown above to your vehicle.
Confirm This Fits Your RC
Match the RC model and OEM/model number below before ordering.
- RC model
- Losi Night Crawler 1/10 Electric 4WD Crawler (LOSB0104)
- OEM / model number
- LOSB0104
- Kit type
- Metric Conversion Stainless Steel Screw Kit
- Piece count
- 250+ Pieces
- Scale
- 1:10
- Power
- Electric
Choose one screw-kit typeChoose either this Metric Conversion kit or the standard Stainless Screw Kit for this RC model—not both. Do not mix metric and standard hardware.
View all verified kits for this model →More compatibility details
- RC brand
- Losi
- Vehicle class
- Land
- Kit SKU
- los054m
- Model series
- Night Crawler
Product information
Everything You Need Before Ordering
Review what is included, installation notes, shipping details, and complete kit information.
Kit Contents & Installation
What’s IncludedSee the metric stainless hardware, tools, and storage case supplied with this kit.
- Socket Screws (with extras)
- Button Screws (with extras)
- Flat Head Screws (with extras)
- Set Screws (with extras)
- Nuts (with extras)
- Washers (with extras)
- Bondhus Short Arm Hex Wrenches (all sizes for your kit)
- Plastic Pit Case (durable, reusable, and designed to organize and store the included metric hardware)
What’s Not IncludedReview which original and specialized hardware types are not replaced by this conversion kit.
- Barrel, shoulder, or collared screws
- Screw pins or threaded pins
- E-clips or body clips
- Turnbuckles or hinge pins
- Original-style non-metric, wood, plastic, or coarse-thread screws are not supplied. For the locations covered by this kit, the included metric machine-thread stainless steel hardware serves as the replacement.
Installation & Model NotesImportant instructions and model-specific guidance.
Convert one location at a time, compare the replacement with the original hardware, and start threads by hand.
Confirm the replacement length and thread engagement before tightening. Use blue threadlocker only on metal-to-metal threads; do not apply it to plastic.
After the first runs, inspect the converted hardware and retorque lightly as needed.
Details & Support
Kit Details Material, model-specific metric conversion coverage, corrosion protection, and intended use.
- Material
- Conversion Coverage
- Model-specific metric replacements for the original screw locations covered by this kit
- Corrosion Protection
- Designed Use
- Metric conversion, maintenance, repairs & rebuilds
Shipping & Returns Handling time, current delivery estimate, and return policy.
Free shipping on all U.S. orders (USPS Priority Mail).
Ships within 1–2 business days (Mon–Fri); some Saturday shipments by 12:00 PM ET.
Most orders ship from Canton, MI 48187. APO/FPO/DPO & PO Boxes welcome.
Priority Mail typically delivers in 2–3 business days (estimates; not guaranteed).
Easy 30-day returns with prepaid USPS label; refunds issued within 3 business days after the return is received.
Over 99% positive over ~14,000 orders on eBay (last 12 months) — as of October 2025. View on eBay
Full Product Description Read the complete product specifications and details.
Exact RC Model Fitment
Compatible RC Model:
Losi Night Crawler 1/10 Electric 4WD Crawler (LOSB0104)
Compatible RC Brand:
Losi
RC Vehicle OEM / Model Number(s):
LOSB0104
RCScrewZ Kit Part Number:
los054m
Vehicle Compatibility Details
- RC Vehicle OEM / Model Number(s)
- LOSB0104
- RC Chassis Compatibility
- Losi Night Crawler 4WD Rock Crawler Chassis (LOSB0104)
- Compatible Vehicle Type
- 1/10 Electric 4WD Rock Crawler
- Terrain Compatibility
- Off-Road: Rocks, Trails & Crawling
- Compatible Scale
- 1:10
- Compatible Fuel Type
- Electric
What Is Included
This model-specific stainless screw kit includes hardware for the verified RC chassis. Exact sizes, quantities, and screw styles vary by model.
- Socket-head screws, with extras where applicable
- Button-head screws, with extras where applicable
- Flat-head or countersunk screws, with extras where applicable
- Set screws, with extras where applicable
- Matching nuts and washers, with extras where applicable
- Bondhus short-arm hex wrenches for applicable kit sizes
- Reusable plastic pit case for organized storage
Important:
The exact hardware mix is determined by the verified chassis configuration. Not every kit requires every screw style listed above.
What Is Not Included
This kit does not include items that require a different fitment, material, or hardware design:
- Barrel screws
- Shoulder or collared screws
- Screw pins or threaded pins
- E-clips or body clips
- Turnbuckles or hinge pins
- Wood, plastic, or coarse-thread screws
Installation & Model Notes
Metric Stainless Steel Screw Kit Compatibility:
Quick Fit Summary:
Compatible Brand: Losi
Fit: Model-specific fitment for Losi Night Crawler RTR
Compatible RC Model/OEM Numbers: LOSB0104
Scale: 1/10
Power Source / Fuel Type: Electric
Battery / Cell Count: Not currently verified.
Drive Type: 4WD
Vehicle Type: Rock Crawler
Chassis: Losi Night Crawler 4WD Rock Crawler Chassis (LOSB0104)
Era: Modern Transition (2000-2009)
OEM / Models: LOSB0104
RC Model Terrain: Off-Road: Rocks, Trails & Crawling
This Kit Details:
SKU: los054m
MPN: los054m
Kit Type: Metric Stainless Steel Screw Kit
Screw Kit Piece Count: 250+ Pieces
Product Material: A2-70/A4-80 stainless steel hardware
Product Color: Silver
OEM / Model Code / Alias Coverage: LOSB0104.
Model Family Coverage: Night Crawler.
Product Benefits: Metric stainless conversion hardware for corrosion resistance, rebuilds, and long-term service.
Fitment Note: Confirm your vehicle is the Losi Night Crawler RTR with OEM/model code LOSB0104 before ordering.
Reference Date: Official manual published 2009.
Search-Friendly Notes: Losi parts, Losi screw kit, Losi bearing kit, losi night crawler, RC rebuild, upgrade, and maintenance.
Stainless Screw Kit Details
- RCScrewZ Kit Part Number
- los054m
- Product Brand
- RCScrewZ
- Screw Type
- Metric Stainless Steel Screws
- Screw Material
- A2-70/A4-80 Stainless Steel
- Approximate Piece Count
- 250+ Pieces
- Color
- Silver
- Country/Region of Manufacture
- United States
Before Ordering
Confirm your exact RC model, chassis configuration, and vehicle OEM/model number where applicable before ordering.
Do not assume fitment for custom conversions, mixed-chassis builds, modified vehicles, or unverified model variations.
Contact J-M SUPPLIES RC Parts Store before ordering when your vehicle does not match the compatibility details shown above.
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Fits: Losi Night Crawler 1/10 Electric 4WD Crawler (LOSB0104)
$33.97