Parts Report: Which Parts Were Most Highly Searched in April 2026?
Key Highlights
- Engine components, especially for CFM56 and LEAP engines, dominated global search activity, representing 56% of top searches in April 2026.
- North American demand was more diversified, with significant searches for landing gear, safety equipment and standard hardware, highlighting regional maintenance needs.
- Critical engine parts such as fuel pumps, turbine clearance valves and hydromechanical units were among the most searched, indicating active engine shop work.
When reflecting on demand for parts in April 2026, searches in the United States varied by type, while global demand centered on engine components.
This article explores the most highly searched parts of April 2026 and analyzes the causes of differences in demand.
What are the top 50 most searched parts from April 2026?
According to reports from Locatory.com, global searches are concentrated around parts for CFM56 and LEAP engine systems, including:
- Valves
- Actuators
- Fuel pumps
- Bearings
- Seals
- Rotating hardware
The same reports outline the demand in North America as being fairly evenly distributed across parts like:
- ERJ-190 landing gear
- B737 / A320 engine controls
- Safety equipment
- Avionics
- Standard hardware
How highly searched were engine components in April 2026?
In the global market, engine components remain the top driver of search activity, making up 56% of top global searches. This is mostly centered on CFM56 platforms, with LEAP-1A fuel-system components adding some activity.
Many of the most searched-for parts fall into categories like:
- Turbine clearance-control valves
- Transient bleed valves
- VSV / VBV actuators
- Fuel pumps
- HMUs
- FCUs, seals, bearings and HPC hardware
Locatory.com experts say, “The concentration points to deeper engine shop activity rather than routine line maintenance.”
Engine components with high global demand in April 2026 include:
- Ball Bearing Assemblies (PN: 100104-246)
- Piston Assemblies (PN: 430378)
- LPT Active Clearance Control Valves (PN: 8910-275)
- Transient Bleed Valves (PN: 8910-277 / 8910-272 / 8910-317 / 8910-344)
- HPT ACC Valves (PN: 8910-253 / 8910-255)
- Fuel Pumps (PN: 6970 series)
- Fuel Control Units (PN: 441921-5)
- Hydromechanical Units (PN: 442653 / 442369)
- HPT Rear Shafts (PN: 1864M90P04)
- HPC Stage 4–9 Spools (PN: 2048M20G03)
While the engine components make up a smaller share of North American search data for April 2026 at 20%, critical parts still show up in the dataset, such as:
- Fuel Control Units (PN: 441921-5)
- HPT Rear Shafts (PN: 1864M90P04)
- Rotating Air Seals (PN: 2116M25P01)
- Hydromechanical Units (PN: 442653)
- Electronic Control Units (PN: 2042M67P04)
- Turbine Clearance Valves (PN: 3291186-6)
- Turbine Engine Starters (PN: 3505582-27 / 3505582-65)
What is search data for airframe and landing gear components like for April 2026?
Reports from Locatory.com share, “Globally, this category accounts for 16% of top searches, but in North America it rises to 29%, making it the largest regional demand category.
North America’s list of the most highly searched airframe and landing gear components includes:
- Locking Stays (PN: 190-70650-401, PN: 190-70250-409)
- Shocks (PN: 190-70453-613)
- Drag Braces (PN: 190-70550-403)
- Side Stays (PN: 190-70200-401 / 190-70200-402)
- Shock Struts (PN: 4260A0000-01)
- Tires (PN: 441K82T1 / APS06015)
Due to the concentration around ERJ-190 landing gear components, Locatory.com identifies a rise in demand for regional jet maintenance, resulting from:
- Landing gear overhaul cycles
- High utilization
- Focus on keeping regional fleets in service
- Tight narrowbody capacity
How in-demand were standard hardware components in April 2026?
Globally, standard hardware makes up 22% of global searches for April 2026, with the category making up 18% of searches in North America.
Reports from Locatory.com note, “Despite lower demand compared to major systems, these low-unit-cost components remain operationally critical, as shortages can delay maintenance release.”
Both datasets show the most highly searched standard hardware parts as being:
- Seal Assemblies (PN: 3179417-2, PN: 219876-1)
- Bearings (PN: 117088)
- Pins (PN: A88542)
- Compression Springs (PN: 3181455-1)
- Spacers (PN: 65C33038-6)
- Bolts (PN: AN3H-6A)
- Fittings (PN: 205-061-698-001 / 205-062-611-001 / 205-062-611-002, PN: AN837-8D)
- Nutplates (PN: MS21059L3)
- Adapter Assemblies (PN: AE98148N)
What are the most highly searched cabin and safety components from April 2026?
While global demand for cabin and safety components makes up around 4% of search data for the month, North American demand sits at 22% for these types of parts.
Locatory.com reports explain, “North America’s higher cabin/safety share points to compliance-driven replacement activity and aircraft return-to-service preparation. The concentration around B737 and A320-family platforms suggests operators are securing safety-critical parts to avoid release delays.”
Key cabin and safety components appeared in a high volume of searches, such as:
- Fire Extinguishers (PN: 473957-4 / 33700002 / 892480 / 898052)
- Emergency Evacuation Slides for B737 (PN: 5A3307-701)
- Tank Assemblies (PN: 205-706-044-107 / 205-706-044-108 / 205-706-045-020)
- Fuel Cell (PN: 212-360-601-101)
- Retractable Landing Light (PN: 4315542)
- Radome Assy for A320 family (PN: D53132210000)
Which avionics and sensor components were most highly searched in April 2026?
Search concentration for avionics and sensor components makes up 10% of concentration in North America and 2% across the globe.
Locatory.com experts say, “The higher North American avionics share suggests targeted demand for dispatch-critical electronic systems rather than broad avionics modernization.”
While these parts show a smaller concentration of search data, they remain crucial to operations due to:
- Troubleshooting
- Certification
- Repair-cycle complexity
The most-searched avionics and sensors of April 2026 are:
- Flight Control Computer (PN: 4051600-914) for B737
- Antenna Assy (PN: 622-8973-001)
- Fuel Quantity Indication Computer for A320 family (PN: B539AAM0308)
- Probe (PN: 381065-009)
Repair shops and MROs that are feeling the constraints of parts availability can use Locatory.com to find the components and parts they need.



