Pencil-type glow plug (thermostart) for reliable cold starts and fast chamber heating.
GX-AFTER stands for verified fitment and dependable availability to minimise downtime.
| Brand (Machine type) | Model |
|---|---|
| JCB (Backhoe / compact) | 1CX, 3CX, 4CX, MINI CX, MICRO, MICRO PLUS, MIDI CX, ROBOT, TELETRUK |
| JCB (Mini excavators) | 8014–8018, 801/801.4/801.5/801.6, 802/802.4/802.7, 803, 804, 805 (engine-dependent) |
| JCB (Telehandlers) | Loadall — selected Perkins variants |
| Caterpillar (Mini excavators) | 302.5 (4AZ), 3024 — Perkins/CAT derivatives |
| Engine compatibility (Perkins) | Series / build codes |
|---|---|
| Perkins 100 Series | KD – 103-10, KE – 103-15, KL – 103-07, KN – 102-05, KR – 104-22 |
| Perkins 200 Series | GA – 4.154 |
| Perkins 400 Series | GN – 404D-22, HP – 404C-22, HR – 404C-22T (and related 403/404 builds) |
Indicative list — please verify by engine variant / serial number.
1. Prepare seat & thread
Remove carbon, clean the bore; apply a light dielectric grease if required.
2. Torque correctly
Tighten to ≈ 17 Nm to avoid thread damage and ensure sealing.
3. Check power supply
Verify stable 12 V at the M4 connector; test the glow relay.
4. Post-install test
Glow indicator should extinguish promptly and cranking time should drop.
Never energise the plug outside the engine — overheating damage may occur.
The glow plug heats the chamber for cold starts; poor performance increases cranking time and smoke, and stresses the battery.
Don’t let cold weather stall your schedule — replace before downtime hits.
We stock 717/11700, match the correct variant to your engine and dispatch fast.
📞 Not seeing the exact version?
We display only a fraction of our stock — over 60,000 parts available. Call: +48 17 864 31 00 and we’ll confirm fitment and ship the same day whenever possible.
1. Which official cross-references match 717/11700?
CASE-IH 1273118C1; CAT 172-4585; FORD NEW HOLLAND 185366060;
2. What are the critical dimensions?
M10×1.25 thread, 22.5 mm fitting depth, ≈ 84 mm overall length, 12 mm spanner, M4 connector, 12 V, ≈ 17 Nm torque.
3. Which Perkins engines does it suit?
100 (KD, KE, KL, KN, KR), 200 (GA 4.154) and 400 (GN, HP, HR; related 403/404).
4. Does it fit CAT mini excavators?
Yes — e.g., 302.5 (4AZ) and 3024 variants using Perkins/CAT derivatives.
Need help confirming fitment? Call: +48 17 864 31 00 — we’ll match the right plug and ship promptly.
Data sheet
Specific References
Manufacturer
Responsible person
See also similar products





Thermostart suitable for, among others: for Mini Excavators 801, 802, 803, 804, 805, Robot machines, TLT, Mini CX, 1CX trolleys.

















