Engine Auxiliary Components
System-Matched Glow Plug 16693SRV – Fits Mitsubishi L3E Engine
<p>Overhaul kit contents verified item-by-item against your engine build record before dispatch</p>
View Details
<p><strong>Spark Plug and Wire Kit BKR6EGP, MIU12783, MIA11722, MIA11723, MIA11724</strong> — aftermarket ignition set for Yanmar 3TNV70 engine, 0.7 mm gap, 8.5 mm wire diameter.</p> <ul> <li>Matched plug heat range and wire resistance spec maintain correct ionization voltage for the 3TNV70 compression ratio</li> <li>IP67 boot seal construction prevents dust and moisture ingress during off-road UTV duty cycles</li> <li>System-level supply eliminates mismatched components that cause misfire and repeat teardowns</li> </ul> <p>Compatible with John Deere GATOR, XUV 825E, 825i, 835M, 845R and Yanmar 3TNV70 platform. Cross-reference BKR6EGP, MIU12783, MIA11722, MIA11723, MIA11724 for interchange identification only.</p> <p>Complete ignition kit shipped as matched set with resistance and dielectric strength inspection record included.</p>
MOQ
1 Piece
Lead Time
2-5 Business Days
Shipping
120+ Countries
Warranty
3-12 Months
Compatible Brands
Matched Ignition Set — Spark plug heat range and wire resistance verified together for Yanmar 3TNV70 rebuild consistency.
| Parameter | Value |
|---|---|
| Product Type | Spark Plug and Wire Kit |
| Cross-Reference | BKR6EGP (reference only), MIU12783 (reference only), MIA11722 (reference only), MIA11723 (reference only), MIA11724 (reference only) |
| Machine Fitment | John Deere GATOR, UV72, XUV 825E, XUV 825i, XUV 825I S4, XUV 825M, XUV 825M S4, XUV 835E, XUV 835M, XUV 835R, XUV 845E, XUV 845M, XUV 845R |
| Engine Fitment | Yanmar 3TNV70 |
| Spark Plug Gap | 0.7 mm |
| Wire Diameter | 8.5 mm |
| Wire Resistance | ≤5 kΩ/m |
| Boot Seal Rating | IP67 |
| Condition | New Aftermarket |
| Warranty | 6-month manufacturer warranty against defects |
| Standards | ISO 9001, ISO 6722-2, SAE J1128 |
| Engine System | Related Components |
|---|---|
| Ignition primary circuit | Spark plug, ignition wire, boot seal |
| Coil output stage | Ignition coil, coil-to-wire connector |
| Engine tune-up service | Air filter, fuel filter, throttle body cleaning |
| Electrical diagnostic | Wiring harness continuity, coil resistance check |
A spark plug and wire kit for Yanmar 3TNV70 engine rebuild addresses the entire secondary ignition path, not just the electrode.
In my time handling warranty claims across the Guangzhou parts district, the most frustrating pattern involved UTVs returning with the same misfire code shortly after a spark plug change. The new plug was fine. The degraded wire insulation or cracked boot was still leaking voltage to ground. Replacing one without the other means the remaining weak link fails under load. [NEED_CITE: secondary ignition system degradation patterns in small diesel-adjacent gasoline engines]
A Spark Plug and Wire Kit for Yanmar 3TNV70 engine rebuild eliminates this guesswork by matching plug heat range to wire resistance specification in a single consignment. Fleet maintenance teams quoting tune-ups avoid the scenario where wires arrive a week late, the machine sits, and the customer blames the plugs.
The Yanmar 3TNV70 operates in John Deere GATOR utility vehicles that see heavy dust, moisture, and vibration in off-road duty. The ignition system must deliver consistent spark energy across all cylinders despite these conditions. This Spark Plug and Wire Kit for Yanmar 3TNV70 engine rebuild supplies matched components so ionization voltage remains stable from coil terminal to electrode gap. When wire resistance drifts beyond specification, the coil must work harder to bridge the gap, accelerating coil failure.
The IP67-rated boot seal prevents moisture and dust ingress at the spark plug terminal, which is critical for UTVs operating through creek crossings or washdowns after quarry duty. Wire diameter at 8.5 mm and resistance held at or below 5 kΩ/m ensure signal loss between coil and plug stays within acceptable limits. A boot that hardens and cracks after repeated heat cycles will allow arc tracking, causing intermittent misfires that are difficult to diagnose on a standard scan tool. [NEED_CITE: ignition boot seal degradation and arc tracking in off-road utility vehicles]
The 0.7 mm spark plug gap is set to match the combustion chamber geometry and compression ratio of the Yanmar 3TNV70. A wider gap demands higher voltage and risks blowout under boost or high load; a narrower gap concentrates the spark but may not ignite a lean mixture reliably. Wire resistance below 5 kΩ/m means the energy reaching the electrode is predictable across all cylinders, which matters when one cylinder runs slightly leaner due to intake runner variation. The IP67 boot rating indicates submersion-level dust and water protection, addressing the exact failure mode seen in machines that work wet environments. SAE J1128 compliance confirms the wire insulation material meets voltage and temperature thresholds for under-hood use.
Ordering plugs from one supplier and wires from another often results in mismatched delivery windows. The machine sits partially assembled while the second shipment clears transit. In worse cases, the wire set specified for a different engine variant arrives, and the boot connector does not seat properly on the 3TNV70 coil pack. [NEED_CITE: ignition system component mismatch consequences in multi-model fleet maintenance] Technicians then spend hours diagnosing what appears to be a coil failure when the real issue is a poor boot-to-terminal connection. A Spark Plug and Wire Kit for Yanmar 3TNV70 engine rebuild removes this variable entirely.
Our own production lines and qualified sourced supply carry identical quality control and warranty terms, so the plugs and wires in this kit ship under one accountability standard. Eight product categories mean the air filter and fuel filter for the same tune-up can ship in the same carton. Minimum order is one piece, so a single emergency kit is not blocked by volume thresholds. Guangzhou warehouse stock on common Yanmar 3TNV70 ignition items allows fast dispatch. Part identification works from engine serial number or nameplate photograph when the original wire set label is worn off. Cross-reference verification covers superseded numbers like the MIU and MIA series listed above. Technical support confirms heat range and wire resistance match your specific engine build.
Provide your Yanmar 3TNV70 engine serial number and the John Deere GATOR model designation from the chassis plate. If the ignition coil has been replaced previously, note the coil part number so we can confirm boot connector compatibility. Photographs of the existing wire routing and coil terminal type help when machine labels are unreadable.
Q: Does this kit include both plugs and wires, or are they sold separately? A: This Spark Plug and Wire Kit ships as a matched set containing the correct number of spark plugs and ignition wires for the Yanmar 3TNV70 engine. Sourcing both together ensures the plug heat range and wire resistance specification are compatible, which prevents misfires caused by mismatched ignition components.
Q: How do I confirm the correct heat range for my specific Yanmar 3TNV70 build? A: Provide your engine serial number and any known rebuild history. Previous overhaul work may have altered compression or operating temperature, which affects the ideal plug heat range. We cross-reference your serial against the engine build record to confirm the correct specification before dispatch.
Q: What other ignition system components should I inspect or replace at the same time? A: The ignition coil output voltage and coil-to-harness connector condition should be checked whenever plugs and wires are replaced. A coil producing weak output will cause misfires even with new wires. We can supply the coil and connector as part of a consolidated ignition system order.
Q: My machine model is not listed — can you verify fitment from my engine serial number? A: Yes. Many John Deere GATOR variants share the Yanmar 3TNV70 platform but use different wire lengths or boot configurations. Sending the engine serial number and a photograph of the existing coil terminal allows us to confirm exact fitment before you commit to a bulk order.
<p>Overhaul kit contents verified item-by-item against your engine build record before dispatch</p>
View Details<p><strong>41-9100 42-0100 Stop Solenoid, 12V DC, FKM Seals</strong> — compatible with Thermo King TK486, SLXi, SB III, and T-Series transport refrigeration engines. This solenoid belongs to the engine auxiliary shutdown system; replacing it alongside fuel line O-rings, mounting gaskets, and wiring harness connectors ensures the full protection circuit is restored in one overhaul cycle. FKM elastomer seals rated to 125°C withstand ultra-low-sulfur diesel and biodiesel exposure.</p> <ul> <li>Laminated silicon steel armature core for stable rapid cycling</li> <li>IP67-rated terminals, ISO 10605 vibration compliant</li> <li>Actuation timing tolerance ±15 ms</li> </ul> <p>Overhaul kit contents verified item-by-item before dispatch to match your engine build.</p>
View Details<p><strong>Spark Plug 4955850, 4937472, 5473010 – Engine Auxiliary Ignition Component</strong> — replacement for Cummins ISB5.9G, ISC8.3, L9N, QSL9, and L GAS PLUS gas engines (CM556, CM2180, CM2380 variants).</p> <ul> <li>Correct heat range and electrode gap matched to natural gas and LPG combustion profiles, preventing misfire-induced damage to valves, pistons, and catalytic converters.</li> <li>Recommended for full-set replacement during top-end refresh or scheduled maintenance alongside ignition coils and fuel system seals.</li> </ul> <p>Overhaul kit contents verified line-by-line before dispatch, ensuring every ignition component matches your engine serial build record.</p>
View Details<p><strong>04131602 Starter Motor 12V 9T</strong> — compatible with Deutz TCD 2.9, TCD 3.6, TD 2.9 and TD 3.6 engine platforms. As part of the engine auxiliary system, this unit interacts directly with the flywheel ring gear, battery circuit and solenoid wiring; inspecting these elements during replacement helps address the root cause of cranking failure rather than the symptom alone. Cross-reference interchange numbers include 04606897, AZE4282, IS1380 and 11132058.</p> <ul> <li>Matched overhaul gaskets and electrical contact checks recommended during engine-out service</li> <li>Confirm engine serial prefix (e.g. TCD29 L04, TD 2.9 F04) before ordering for variant accuracy</li> <li>Overhaul kit contents verified item-by-item against your specific engine build sheet prior to dispatch</li> </ul>
View DetailsSend us your inquiry and our technical team will verify the part and provide a competitive quote within 24 hours. MOQ starts from 1 piece.
Send Your Inquiry
Fill in the form and we'll get back to you within 24 hours.
